Since the exponent is negative, we can invert the fraction
Any expression divided by one ($1$) is equal to that same expression
Simplify $\sqrt{z^{3}}}$ using the power of a power property: $\left(a^m\right)^n=a^{m\cdot n}$. In the expression, $m$ equals $\frac{3}{5}$ and $n$ equals $\frac{1}{5}$
Multiplying fractions $\frac{3}{5} \times \frac{1}{5}$
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