Question

$( - 2) { - }^{3}$
me ajudem pf​

Answer 1

$(-2)^{-3}~=\\\\\\=~\left(\frac{1}{(-2)}\right)^{3}\\\\\\=~\frac{1^3}{(-2)^3}\\\\\\=~\frac{1}{(-2)~.(-2)~.~(-2)}\\\\\\=~\frac{1}{-8}\\\\\\=~\boxed{-\frac{1}{8}}$