Simplify $\left(n^2\right)^{-2}$ using the power of a power property: $\left(a^m\right)^n=a^{m\cdot n}$. In the expression, $m$ equals $2$ and $n$ equals $-2$

Applicare la formula: $ab$$=ab$, dove $ab=2\cdot -2$, $a=2$ e $b=-2$

Applicare la formula: $\frac{a^m}{a^n}$$=a^{\left(m-n\right)}$, dove $a^n=n^{-4}$, $a^m=n^{-2}$, $a=n$, $a^m/a^n=\frac{2n^{-2}}{n^{-4}}$, $m=-2$ e $n=-4$