Answer
$\frac{9}{w^3}$
Work Step by Step
We start with the given expression: $9w^{-3}$
The negative exponent rule states that for every nonzero number $a$ and integer $n$, $a^{-n}=\frac{1}{a^n}$. We use this rule to rewrite the expression:
$\frac{9}{w^3}$
