Question

Faça as operações abaixo: a) 7,9 . 10⁵ + 4,0 .10⁵ b) 8,2 . 10-³ . 4 . 10 ⁵ c) 8,2 . 10-³ 4,0 . 10⁵
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Answer 1

Explicação passo-a-passo:

$a) 7,9 . 10^5 + 4,0 .10^5 \\1,19.10^6 \\\\b) 8,2 . 10^{-3} * 4 . 10 ^5\\3,28.10^3\\\\c) 8,2 . 10^{-3} *4,0 . 10^5\\3,28.10^3$

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