# How do you simplify 5/(z^-3 and write it using only positive exponents?

$\frac{1}{x} ^ \textcolor{red}{a} = {x}^{\textcolor{red}{- a}}$
$\frac{5}{z} ^ \textcolor{red}{- 3} = 5 {z}^{\textcolor{red}{- - 3}} = 5 {z}^{\textcolor{red}{3}}$