Question

alguem me ajuda.. pfv

Answer 1

Olá,

$(256})^{ \frac{-3}{4} } = (2^{8})^{ \frac{-3}{4} }$

$(2^{8})^{ \frac{-3}{4} } =2^{ (\frac{-24}{4})} =2^{-6}$

$2^{-6} = \frac{1}{2^{6} } = \frac{1}{64}$