Question

Calcule [(-2/3)^2 ]^2

Answer 1

Resposta:

[(-2/3)^2 ]^2=

$[(\frac{-2}{3} )^2]^2=$  expoente de exponte... multiplicamos os expoentes

$(\frac{-2}{3} )^{(2*2=4)}=$

$(\frac{-2}{3} )^{4}=$

$\frac{16}{81}$