Evaluate fourth root of 16^2

$\sqrt[4]{16^{2}}$

Step 1

Raise $16$ to the power of $2$ .

$\sqrt[4]{256}$

Step 2

Rewrite $256$ as $4^{4}$ .

$\sqrt[4]{4^{4}}$

Step 3

Pull terms out from under the radical, assuming positive real numbers.

$4$