Write in Exponential Form square root of 2^4

$\sqrt{2^{4}}$

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{2^{4}}$ as $2^{\frac{4}{2}}$ .

$2^{\frac{4}{2}}$

Divide $4$ by $2$ .

$2^{2}$

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