Question

Efetue as potencias.

Answer 1

acho que você pode pedir ajuda a um professor caso não esteja entendendo o conteúdo

Answer 2

Oi...

$a)(\frac{8}{2})^-^3\\\\4^-^3\\\\\frac{1}{4^3}\\\\\frac{1}{64} \\\\b) (\frac{2}{3})^-^2\\ \\(\frac{3}{2})\\\\\frac{9}{4}\\ \\c)(\frac{8}{4})^-^2 \\\\2^{-2}\\\\\frac{1}{2^2}\\\\\frac{1}{4}\\\\d)(\frac{3}{4})^-^8\\\\(\frac{4}{3})^8\\ \\\frac{65536}{6561}\\\\e)(\frac{1}{4})^3\\ \\\frac{1}{64}\\ \\f)(\frac{2}{3})^2\\ \\\frac{4}{9}$

Espero ter ajudado.