Question

- ATIVIDADE(S): 1. Calcule as potências: A. (+2)3 = B. (-7)4 = C. (-9)3 =​

Answer 1

Resposta:

OLÁ

A)

$\boxed{ \boxed{( + 2) ^{3} = 2 \times 2 \times 2 = \blue{8} \: }}$

B)

$\boxed{ \boxed{( - 7) ^{4} = ( - 7) \times ( - 7) \times ( - 7) \times ( - 7) = \blue{1.372}}}$

C)

$\boxed{ \boxed{( - 9) ^{3} = ( - 9) \times ( - 9) \times ( - 9) = \blue{ - 729}}}$

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espero ter ajudado

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