Simplify $\sqrt{a^2}$ 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 $\frac{1}{2}$

Applicare la formula: $\left(ab\right)^n$$=a^nb^n$, dove $a=49$, $b=b^{12}$ e $n=\frac{1}{2}$

Simplify $\sqrt{a^2}$ 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 $\frac{1}{2}$

Applicare la formula: $\left(ab\right)^n$$=a^nb^n$, dove $a=49$, $b=b^{12}$ e $n=\frac{1}{2}$

Applicare la formula: $ab$$=ab$, dove $ab=- 7b^{6}$, $a=-1$ e $b=7$