Simplify fourth root of 256z^16 - Math solver

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$\sqrt[4]{256 z^{16}}$

Rewrite $256 z^{16}$ as ${(4 z^{4})}^{4}$ .

$\sqrt[4]{{(4 z^{4})}^{4}}$

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

$4 z^{4}$

Simplify fourth root of 256z^16