# How do you simplify 9^(-1/2) leaving only positive exponents?

${9}^{- \frac{1}{2}} = \frac{1}{9} ^ \left(\frac{1}{2}\right) = \frac{1}{3}$
${9}^{- \frac{1}{2}} = \frac{1}{9} ^ \left(\frac{1}{2}\right) = \frac{1}{3}$