Answer
When $n$ is even: $\sqrt[n]{m^n} = |m|$
When $n$ is odd: $\sqrt[n]{m^n} = m$
Work Step by Step
The principal square root is always non-negative.
This means that:
When $n$ is even, then
$\sqrt[n]{m^n} = |m|.$
When $n$ is odd,
$\sqrt[n]{m^n} = m.$
