{"id":1790264,"date":"2026-09-16T14:59:00","date_gmt":"2026-09-16T17:59:00","guid":{"rendered":"https:\/\/www.estrategiaconcursos.com.br\/blog\/?p=1790264"},"modified":"2026-09-14T14:36:22","modified_gmt":"2026-09-14T17:36:22","slug":"notacao-cientifica","status":"publish","type":"post","link":"https:\/\/www.estrategiaconcursos.com.br\/blog\/notacao-cientifica\/","title":{"rendered":"Nota\u00e7\u00e3o Cient\u00edfica"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Aprenda os conceitos essenciais sobre nota\u00e7\u00e3o cient\u00edfica com um resumo para as principais provas de concursos.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"895\" height=\"550\" src=\"https:\/\/dhg1h5j42swfq.cloudfront.net\/2026\/04\/16123932\/potenciacao.png\" alt=\"Nota\u00e7\u00e3o cient\u00edfica\" class=\"wp-image-1754570\" style=\"aspect-ratio:1.6272811286417157;width:589px;height:auto\" srcset=\"https:\/\/dhg1h5j42swfq.cloudfront.net\/2026\/04\/16123932\/potenciacao.png 895w, https:\/\/dhg1h5j42swfq.cloudfront.net\/2026\/04\/16123932\/potenciacao-300x184.png 300w, https:\/\/dhg1h5j42swfq.cloudfront.net\/2026\/04\/16123932\/potenciacao-768x472.png 768w, https:\/\/dhg1h5j42swfq.cloudfront.net\/2026\/04\/16123932\/potenciacao-150x92.png 150w\" sizes=\"auto, (max-width: 895px) 100vw, 895px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ol\u00e1, pessoal! Tudo bem com voc\u00eas?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em diversas situa\u00e7\u00f5es, precisamos trabalhar com n\u00fameros extremamente grandes ou extremamente pequenos. Escrever a dist\u00e2ncia entre planetas, o tamanho de uma bact\u00e9ria ou a quantidade de mol\u00e9culas presente em uma subst\u00e2ncia utilizando a representa\u00e7\u00e3o decimal convencional pode resultar em n\u00fameros com muitos algarismos e zeros, dificultando tanto a leitura quanto os c\u00e1lculos. \u00c9 justamente nesse contexto que surge a <strong>nota\u00e7\u00e3o cient\u00edfica<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A nota\u00e7\u00e3o cient\u00edfica permite representar esses valores de maneira mais compacta por meio de <strong>pot\u00eancias de 10<\/strong>. Al\u00e9m de facilitar a escrita, ela simplifica opera\u00e7\u00f5es matem\u00e1ticas e permite comparar rapidamente n\u00fameros de diferentes ordens de grandeza.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em provas de bancas como <strong><a href=\"https:\/\/conhecimento.fgv.br\/concursos\" target=\"_blank\" rel=\"noreferrer noopener\">FGV<\/a>, <a href=\"https:\/\/www.concursosfcc.com.br\/\" target=\"_blank\" rel=\"noreferrer noopener\">FCC<\/a><\/strong> <strong>e<\/strong> <a href=\"https:\/\/www.cebraspe.org.br\/concursos\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Cebraspe<\/strong><\/a>, a nota\u00e7\u00e3o cient\u00edfica pode ser cobrada diretamente ou aparecer inserida em problemas envolvendo grandezas f\u00edsicas, unidades de medida, estat\u00edstica e interpreta\u00e7\u00e3o de dados. Por isso, \u00e9 importante saber n\u00e3o apenas converter n\u00fameros, mas tamb\u00e9m realizar opera\u00e7\u00f5es com essa representa\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Neste artigo, voc\u00ea aprender\u00e1 o que \u00e9 nota\u00e7\u00e3o cient\u00edfica, como transformar n\u00fameros para essa forma, como realizar as principais opera\u00e7\u00f5es e como o assunto costuma aparecer nas quest\u00f5es de concursos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Confira os t\u00f3picos que ser\u00e3o abordados:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>O que \u00e9 nota\u00e7\u00e3o cient\u00edfica;<\/li>\n\n\n\n<li>Como transformar;<\/li>\n\n\n\n<li>Opera\u00e7\u00f5es com nota\u00e7\u00e3o cient\u00edfica;<\/li>\n\n\n\n<li>Ordem de grandeza e compara\u00e7\u00e3o;<\/li>\n\n\n\n<li>Exemplos resolvidos;<\/li>\n\n\n\n<li>Resumo.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-o-que-e-notacao-cientifica\" class=\"wp-block-heading has-cyan-bluish-gray-background-color has-background\">O que \u00e9 Nota\u00e7\u00e3o Cient\u00edfica<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>nota\u00e7\u00e3o cient\u00edfica<\/strong> \u00e9 uma maneira de representar n\u00fameros utilizando um n\u00famero decimal multiplicado por uma pot\u00eancia de 10.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sua forma geral \u00e9:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>a \u00d7 10\u207f<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">em que:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>1 \u2264 |a| &lt; 10,<\/strong><\/li>\n\n\n\n<li><strong>n \u00e9 um n\u00famero inteiro<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Isso significa que o n\u00famero que multiplica a pot\u00eancia de 10 deve possuir apenas <strong>um algarismo diferente de zero antes da v\u00edrgula<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por exemplo:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">3,5 \u00d7 10\u2074<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00e9 uma representa\u00e7\u00e3o v\u00e1lida em nota\u00e7\u00e3o cient\u00edfica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">J\u00e1:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">35 \u00d7 10\u00b3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">representa o mesmo valor, mas <strong>n\u00e3o est\u00e1 escrito na forma padr\u00e3o da nota\u00e7\u00e3o cient\u00edfica<\/strong>, pois 35 \u00e9 maior que 10.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Exemplos:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O n\u00famero:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">45.000<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">pode ser escrito como:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>4,5 \u00d7 10\u2074<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">J\u00e1:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">0,00072<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">pode ser representado por:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>7,2 \u00d7 10\u207b\u2074<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Perceba uma caracter\u00edstica importante: <strong>expoentes positivos s\u00e3o normalmente associados a n\u00fameros grandes, enquanto expoentes negativos aparecem na representa\u00e7\u00e3o de n\u00fameros entre 0 e 1<\/strong>.<\/p>\n\n\n\n<h2 id=\"h-como-transformar-um-numero-em-notacao-cientifica\" class=\"wp-block-heading has-cyan-bluish-gray-background-color has-background\">Como Transformar um N\u00famero em Nota\u00e7\u00e3o Cient\u00edfica<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para transformar um n\u00famero em nota\u00e7\u00e3o cient\u00edfica, devemos deslocar a v\u00edrgula at\u00e9 obter um valor cujo m\u00f3dulo esteja entre 1 e 10. Depois, contamos quantas casas a v\u00edrgula foi deslocada.<\/p>\n\n\n\n<h3 id=\"h-numeros-maiores-ou-iguais-a-10\" class=\"wp-block-heading\"><strong>N\u00fameros maiores ou iguais a 10<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Considere:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">325.000<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Devemos deslocar a v\u00edrgula cinco casas para a esquerda:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">325.000 \u2192 3,25<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Como foram cinco casas:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>325.000 = 3,25 \u00d7 10\u2075<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Portanto, quando deslocamos a v\u00edrgula para a <strong>esquerda<\/strong>, o expoente \u00e9 positivo.<\/p>\n\n\n\n<h3 id=\"h-numeros-entre-0-e-1\" class=\"wp-block-heading\"><strong>N\u00fameros entre 0 e 1<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Considere:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">0,000043<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deslocamos a v\u00edrgula cinco casas para a direita:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">0,000043 \u2192 4,3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Logo:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>0,000043 = 4,3 \u00d7 10\u207b\u2075<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quando deslocamos a v\u00edrgula para a <strong>direita<\/strong>, o expoente \u00e9 negativo.<\/p>\n\n\n\n<h3 id=\"h-transformando-de-volta-para-a-forma-decimal\" class=\"wp-block-heading\"><strong>Transformando de volta para a forma decimal<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tamb\u00e9m precisamos saber realizar o processo inverso.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Considere:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">6,2 \u00d7 10\u00b3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Como o expoente \u00e9 positivo, deslocamos a v\u00edrgula tr\u00eas casas para a direita:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">6,2 \u2192 6.200<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Portanto:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>6,2 \u00d7 10\u00b3 = 6.200<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Agora considere:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">8,1 \u00d7 10\u207b\u2074<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deslocamos a v\u00edrgula quatro casas para a esquerda:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>8,1 \u00d7 10\u207b\u2074 = 0,00081<\/strong><\/p>\n\n\n\n<h2 id=\"h-operacoes-com-notacao-cientifica\" class=\"wp-block-heading has-cyan-bluish-gray-background-color has-background\">Opera\u00e7\u00f5es Com Nota\u00e7\u00e3o Cient\u00edfica<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Uma das grandes vantagens da nota\u00e7\u00e3o cient\u00edfica \u00e9 facilitar opera\u00e7\u00f5es com n\u00fameros muito grandes ou pequenos.<\/p>\n\n\n\n<h3 id=\"h-multiplicacao\" class=\"wp-block-heading\"><strong>Multiplica\u00e7\u00e3o<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Na multiplica\u00e7\u00e3o, multiplicamos os coeficientes e <strong>somamos os expoentes das pot\u00eancias de 10<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Exemplo:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">(2 \u00d7 10\u00b3) \u00d7 (3 \u00d7 10\u2074)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Multiplicando os coeficientes:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">2 \u00d7 3 = 6<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Somando os expoentes:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">3 + 4 = 7<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Portanto:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>6 \u00d7 10\u2077<\/strong><\/p>\n\n\n\n<h3 id=\"h-divisao\" class=\"wp-block-heading\"><strong>Divis\u00e3o<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Na divis\u00e3o, dividimos os coeficientes e <strong>subtra\u00edmos os expoentes<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Exemplo:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">(8 \u00d7 10\u2077) \u00f7 (2 \u00d7 10\u00b3)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dividindo:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">8 \u00f7 2 = 4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Subtraindo os expoentes:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">7 \u2212 3 = 4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Portanto:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>4 \u00d7 10\u2074<\/strong><\/p>\n\n\n\n<h3 id=\"h-soma-e-subtracao\" class=\"wp-block-heading\"><strong>Soma e subtra\u00e7\u00e3o<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Na soma e na subtra\u00e7\u00e3o existe uma diferen\u00e7a importante: <strong>os expoentes precisam ser iguais<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Considere:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">3 \u00d7 10\u2075 + 2 \u00d7 10\u2075<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Como as pot\u00eancias s\u00e3o iguais, basta somar os coeficientes:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">(3 + 2) \u00d7 10\u2075<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>5 \u00d7 10\u2075<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Agora considere:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">4 \u00d7 10\u2076 + 3 \u00d7 10\u2075<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e3o podemos simplesmente somar 4 + 3, pois os expoentes s\u00e3o diferentes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Precisamos reescrever um dos n\u00fameros:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">3 \u00d7 10\u2075 = 0,3 \u00d7 10\u2076<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Assim:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">4 \u00d7 10\u2076 + 0,3 \u00d7 10\u2076<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">= <strong>4,3 \u00d7 10\u2076<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Essa diferen\u00e7a entre as regras da multiplica\u00e7\u00e3o e da soma \u00e9 uma <strong>pegadinha bastante comum<\/strong>.<\/p>\n\n\n\n<h3 id=\"h-potenciacao\" class=\"wp-block-heading\"><strong>Potencia\u00e7\u00e3o<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Quando uma express\u00e3o em nota\u00e7\u00e3o cient\u00edfica \u00e9 elevada a uma pot\u00eancia, devemos elevar tanto o coeficiente quanto a pot\u00eancia de 10.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Exemplo:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">(2 \u00d7 10\u00b3)\u00b2<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">= 2\u00b2 \u00d7 10\u2076<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">= <strong>4 \u00d7 10\u2076<\/strong><\/p>\n\n\n\n<h2 id=\"h-ordem-de-grandeza-e-comparacao\" class=\"wp-block-heading has-cyan-bluish-gray-background-color has-background\">Ordem de Grandeza e Compara\u00e7\u00e3o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A nota\u00e7\u00e3o cient\u00edfica tamb\u00e9m facilita a compara\u00e7\u00e3o entre valores.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Considere:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A = 3,2 \u00d7 10\u2076<\/li>\n\n\n\n<li>B = 7,5 \u00d7 10\u2074<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Antes mesmo de analisar os coeficientes, percebemos que A \u00e9 maior, pois possui uma pot\u00eancia de 10 de expoente superior. Quando os expoentes s\u00e3o iguais, comparamos os coeficientes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por exemplo:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">4,7 \u00d7 10\u2078 &lt; 6,2 \u00d7 10\u2078<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Em geral, o expoente fornece rapidamente uma ideia da ordem de grandeza do n\u00famero.<\/strong><\/p>\n\n\n\n<h2 id=\"h-exemplos-de-prova-notacao-cientifica\" class=\"wp-block-heading has-cyan-bluish-gray-background-color has-background\">Exemplos de Prova \u2013 Nota\u00e7\u00e3o Cient\u00edfica<\/h2>\n\n\n\n<h3 id=\"h-exemplo-1\" class=\"wp-block-heading\"><strong>Exemplo 1<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Escreva 7.250.000 em nota\u00e7\u00e3o cient\u00edfica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Resolu\u00e7\u00e3o:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deslocamos a v\u00edrgula seis casas para a esquerda:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">7.250.000 \u2192 7,25<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Como deslocamos a v\u00edrgula seis posi\u00e7\u00f5es para a esquerda, utilizamos expoente positivo igual a 6.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Portanto:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>7,25 \u00d7 10\u2076<\/strong><\/p>\n\n\n\n<h3 id=\"h-exemplo-2\" class=\"wp-block-heading\"><strong>Exemplo 2<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Escreva 0,0000064 em nota\u00e7\u00e3o cient\u00edfica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Resolu\u00e7\u00e3o:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deslocamos a v\u00edrgula seis casas para a direita:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">0,0000064 \u2192 6,4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Logo:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>6,4 \u00d7 10\u207b\u2076<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00fameros positivos menores que 1 s\u00e3o representados por pot\u00eancias de 10 com expoentes negativos.<\/p>\n\n\n\n<h3 id=\"h-exemplo-3\" class=\"wp-block-heading\"><strong>Exemplo 3<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A dist\u00e2ncia aproximada percorrida pela luz em um segundo \u00e9 de 300.000 km. Considerando esse valor, qual dist\u00e2ncia a luz percorre em 200 segundos?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Resolu\u00e7\u00e3o<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Primeiro, representamos os valores em nota\u00e7\u00e3o cient\u00edfica:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">300.000 = 3 \u00d7 10\u2075<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">200 = 2 \u00d7 10\u00b2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Multiplicando:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">(3 \u00d7 10\u2075)(2 \u00d7 10\u00b2)<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">= 6 \u00d7 10\u2077<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Resposta: 6 \u00d7 10\u2077 km.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A nota\u00e7\u00e3o cient\u00edfica permite realizar a multiplica\u00e7\u00e3o sem trabalhar diretamente com todos os zeros dos n\u00fameros envolvidos.<\/p>\n\n\n\n<h3 id=\"h-exemplo-4\" class=\"wp-block-heading\"><strong>Exemplo 4<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Dois equipamentos produzem part\u00edculas microsc\u00f3picas. O primeiro produz <strong>2,4 \u00d7 10\u2076 part\u00edculas por minuto<\/strong>, enquanto o segundo produz <strong>8 \u00d7 10\u2075 part\u00edculas por minuto<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quantas part\u00edculas os dois equipamentos produzem juntos em 10 minutos?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Resolu\u00e7\u00e3o:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Primeiro, precisamos somar as produ\u00e7\u00f5es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Como os expoentes s\u00e3o diferentes:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">8 \u00d7 10\u2075 = 0,8 \u00d7 10\u2076<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Logo:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">2,4 \u00d7 10\u2076 + 0,8 \u00d7 10\u2076<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">= 3,2 \u00d7 10\u2076<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Essa \u00e9 a produ\u00e7\u00e3o conjunta em um minuto.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em 10 minutos:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">(3,2 \u00d7 10\u2076) \u00d7 10<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Como:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">10 = 10\u00b9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Temos:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">3,2 \u00d7 10\u2076 \u00d7 10\u00b9<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">= <strong>3,2 \u00d7 10\u2077<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Resposta: 3,2 \u00d7 10\u2077 part\u00edculas.<\/strong><\/p>\n\n\n\n<h2 id=\"h-resumo-notacao-cientifica\" class=\"wp-block-heading has-cyan-bluish-gray-background-color has-background\">Resumo \u2013 Nota\u00e7\u00e3o Cient\u00edfica<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para te ajudar a revisar, de forma r\u00e1pida e estrat\u00e9gia, tudo o que vimos at\u00e9 aqui, preparamos um resumo.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Situa\u00e7\u00e3o<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Regra<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Exemplo<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Forma geral<\/td><td class=\"has-text-align-center\" data-align=\"center\">a \u00d7 10\u207f, com 1 \u2264 |a| &lt; 10<\/td><td class=\"has-text-align-center\" data-align=\"center\">3,2 \u00d7 10\u2075<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">N\u00famero grande<\/td><td class=\"has-text-align-center\" data-align=\"center\">Deslocar v\u00edrgula para a esquerda<\/td><td class=\"has-text-align-center\" data-align=\"center\">45.000 = 4,5 \u00d7 10\u2074<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">N\u00famero pequeno<\/td><td class=\"has-text-align-center\" data-align=\"center\">Deslocar v\u00edrgula para a direita<\/td><td class=\"has-text-align-center\" data-align=\"center\">0,003 = 3 \u00d7 10\u207b\u00b3<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Multiplica\u00e7\u00e3o<\/td><td class=\"has-text-align-center\" data-align=\"center\">Multiplicar coeficientes e somar expoentes<\/td><td class=\"has-text-align-center\" data-align=\"center\">(2 \u00d7 10\u00b3)(3 \u00d7 10\u00b2) = 6 \u00d7 10\u2075<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Divis\u00e3o<\/td><td class=\"has-text-align-center\" data-align=\"center\">Dividir coeficientes e subtrair expoentes<\/td><td class=\"has-text-align-center\" data-align=\"center\">(8 \u00d7 10\u2076)\/(2 \u00d7 10\u00b2) = 4 \u00d7 10\u2074<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Soma e subtra\u00e7\u00e3o<\/td><td class=\"has-text-align-center\" data-align=\"center\">Igualar os expoentes<\/td><td class=\"has-text-align-center\" data-align=\"center\">3 \u00d7 10\u2075 + 2 \u00d7 10\u2075 = 5 \u00d7 10\u2075<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Potencia\u00e7\u00e3o<\/td><td class=\"has-text-align-center\" data-align=\"center\">Elevar coeficiente e pot\u00eancia<\/td><td class=\"has-text-align-center\" data-align=\"center\">(2 \u00d7 10\u00b3)\u00b2 = 4 \u00d7 10\u2076<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Compara\u00e7\u00e3o<\/td><td class=\"has-text-align-center\" data-align=\"center\">Comparar primeiro os expoentes<\/td><td class=\"has-text-align-center\" data-align=\"center\">10\u2077 &gt; 10\u2075<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"h-finalizando-notacao-cientifica\" class=\"wp-block-heading has-cyan-bluish-gray-background-color has-background\">Finalizando \u2013 Nota\u00e7\u00e3o Cient\u00edfica<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A nota\u00e7\u00e3o cient\u00edfica \u00e9 uma ferramenta fundamental para representar e manipular n\u00fameros muito grandes ou muito pequenos de maneira simples e organizada. Mais do que uma forma diferente de escrever n\u00fameros, ela facilita opera\u00e7\u00f5es matem\u00e1ticas e permite compreender rapidamente a dimens\u00e3o dos valores envolvidos. Al\u00e9m disso, o assunto pode aparecer em situa\u00e7\u00f5es contextualizadas envolvendo dist\u00e2ncias, armazenamento de dados, part\u00edculas, c\u00e9lulas e diversas outras grandezas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nas provas, aten\u00e7\u00e3o especial deve ser dada \u00e0 posi\u00e7\u00e3o da v\u00edrgula, ao sinal do expoente e \u00e0 necessidade de manter o coeficiente na forma padr\u00e3o. Com essas regras bem compreendidas e alguma <strong>pr\u00e1tica<\/strong>, as quest\u00f5es de <strong>nota\u00e7\u00e3o cient\u00edfica<\/strong> tornam-se bastante objetivas e podem representar pontos importantes na prova de Matem\u00e1tica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c9 importante refor\u00e7ar que este conte\u00fado <strong>deve ser utilizado como complemento ao material em PDF<\/strong>, onde a abordagem \u00e9 aprofundada e completa. Al\u00e9m disso, \u00e9 fundamental praticar com muitas quest\u00f5es, preferencialmente separadas por banca, para entender as diferentes formas de cobran\u00e7a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quer se aprofundar no tema? O Estrat\u00e9gia Concursos disponibiliza <strong>materiais em PDF completos e atualizados<\/strong>, com teoria detalhada, quest\u00f5es comentadas e videoaulas direcionadas para cada concurso. Com pr\u00e1tica e um bom material, voc\u00ea estar\u00e1 preparado para resolver qualquer quest\u00e3o sobre nota\u00e7\u00e3o cient\u00edfica que aparecer na sua prova.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Acesse <a href=\"https:\/\/www.estrategiaconcursos.com.br\/\" target=\"_blank\" rel=\"noreferrer noopener\">os cursos do Estrat\u00e9gia Concursos<\/a> e fortale\u00e7a sua prepara\u00e7\u00e3o com um conte\u00fado de alto n\u00edvel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bons estudos e at\u00e9 a pr\u00f3xima!<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"cursos-assinatura\">Cursos e Assinaturas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Prepare-se com o melhor material e com quem mais aprova em Concursos P\u00fablicos em todo o pa\u00eds!<\/p>\n\n\n\n<p class=\"has-text-align-center has-vivid-cyan-blue-color has-text-color has-background wp-block-paragraph\" style=\"background-color:#0078bd\"><a href=\"https:\/\/www.estrategiaconcursos.com.br\/blog\/concursos-abertos\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-white-color\">Concursos Abertos<\/mark><\/strong><\/a><\/p>\n\n\n\n<p class=\"has-text-align-center has-vivid-cyan-blue-color has-text-color has-background wp-block-paragraph\" style=\"background-color:#0078bd\"><a href=\"https:\/\/www.estrategiaconcursos.com.br\/blog\/concursos-2026\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-white-color\">Concursos 2026<\/mark><\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aprenda os conceitos essenciais sobre nota\u00e7\u00e3o cient\u00edfica com um resumo para as principais provas de concursos. Ol\u00e1, pessoal! Tudo bem com voc\u00eas? Em diversas situa\u00e7\u00f5es, precisamos trabalhar com n\u00fameros extremamente grandes ou extremamente pequenos. Escrever a dist\u00e2ncia entre planetas, o tamanho de uma bact\u00e9ria ou a quantidade de mol\u00e9culas presente em uma subst\u00e2ncia utilizando a [&hellip;]<\/p>\n","protected":false},"author":3098,"featured_media":78128,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"post_tipo":"article","footnotes":""},"categories":[2313,1,3766,220184,220242,214992,220181,1983,220182,220183,222427,1988,222278,220191,222408,220737,1984,214710,222239,222235,222236,222237],"tags":[],"tax_estado":[219964,219965,219966,219967,219968,219969,219963,219970,219971,219972,219973,219974,219975,219976,219977,219978,219979,219980,219981,219982,219983,219984,219985,219986,219987,219988,219989,219990],"class_list":["post-1790264","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-carreiras-bancarias","category-cursos-e-concursos","category-educacional","category-engenharias-e-ti","category-estrategia-militares","category-concursos-administrativos","category-area-financeira","category-fiscal-estadual","category-fiscal-federal","category-fiscal-municipal","category-petrobras","category-policia","category-prefeituras","category-previdenciaria","category-tecnologia-da-informacao","category-tribunais-tribunais","category-tribunais","category-tribunais-de-contas","category-tribunais-regionais-federais","category-tribunal-de-justica","category-tribunal-regional-do-trabalho","category-tribunal-regional-eleitoral","tax_estado-ac","tax_estado-al","tax_estado-am","tax_estado-ap","tax_estado-ba","tax_estado-ce","tax_estado-concursos-federais","tax_estado-df","tax_estado-es","tax_estado-go","tax_estado-ma","tax_estado-mg","tax_estado-ms","tax_estado-mt","tax_estado-pa","tax_estado-pb","tax_estado-pe","tax_estado-pi","tax_estado-pr","tax_estado-rj","tax_estado-rn","tax_estado-ro","tax_estado-rr","tax_estado-rs","tax_estado-sc","tax_estado-se","tax_estado-sp","tax_estado-to"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - 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