## Algebra 1: Common Core (15th Edition)

The expression is $x^{-\frac{3}{10}}$
To solve this: $(x^{\frac{3}{5}})^{-\frac{1}{2}}$ = $x^{\frac{3}{5}\times{-\frac{1}{2}}}$ = $x^{-\frac{3}{10}}$