Answer
$-5$
Work Step by Step
The given values are
$n=3$ and $a=-125$
$n$ is odd, then $a$ has one real $n^{th}$ root.
$=\sqrt[n]{a}$
Substitute the values of $n$ and $a$.
$=\sqrt[3]{-125}$
Use $-125=(-5)^3$
$=\sqrt[3]{(-5)^3}$
Simplify.
$=-5$.
