Simplify $\sqrt{z^{12}}$ using the power of a power property: $\left(a^m\right)^n=a^{m\cdot n}$. In the expression, $m$ equals $12$ and $n$ equals $\frac{1}{2}$

Applicare la formula: $a^b$$=a^b$, dove $a=4$, $b=\frac{1}{2}$ e $a^b=\sqrt{4}$

Simplify $\sqrt{z^{12}}$ using the power of a power property: $\left(a^m\right)^n=a^{m\cdot n}$. In the expression, $m$ equals $12$ and $n$ equals $\frac{1}{2}$

Applicare la formula: $a^b$$=a^b$, dove $a=4$, $b=\frac{1}{2}$ e $a^b=\sqrt{4}$

Applicare la formula: $ab$$=ab$, dove $ab=- 2$, $a=-1$ e $b=2$