Answer
$\frac{3}{2}$
Work Step by Step
Recall the rule: $x^{-n}=\frac{1}{x^{n}}$
We first rearrange the expression into a form that doesn't contain any negative exponents, and then we solve the expression.
$(\frac{2}{3})^{-1}=\frac{2^{-1}}{3^{-1}}=\frac{3}{2}$