Simplify cube root of 4^9

$\sqrt[3]{4^{9}}$

Step 1

Raise $4$ to the power of $9$ .

$\sqrt[3]{262144}$

Step 2

Rewrite $262144$ as $64^{3}$ .

$\sqrt[3]{64^{3}}$

Step 3

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

$64$