Question

CALCULE O VALOR DE ( -8 ) COM EXPOENTE -2/3

Answer 1

$(-8)^{ \frac{-2}{3} }$

$(- \frac{1}{8} )^{ \frac{2}{3} }$

$\sqrt[3]({\frac{-1}{8})^{2} }$

$\sqrt[3]{ \frac{1}{64} }$

$\frac{1}{4}$