Question

$-\frac{1}{2} ^{5}$

a) 32
b)-32
c)-10
d)10

Answer 1

Resposta:

$-\dfrac{1}{2}^{-5}=-32$

Explicação passo-a-passo:

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$x=-\dfrac{1}{2}^{-5}\\\\\\x=-\left(\dfrac{1}{2}\right)^{-5}\\\\\\x=-\dfrac{1}{\left(\dfrac{1}{2}\right)^{5}}\\\\\\x=-\dfrac{1}{\dfrac{1^5}{2^5}}\\\\\\x=-\dfrac{1}{\dfrac{1}{32}}\\\\\\x=-1\;.\;\dfrac{32}{1}\\\\\\\boxed{x=-32}$