Evaluate - fourth root of 256

$- \sqrt[4]{256}$

Step 1

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

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

Step 2

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

$- 1 \cdot 4$

Step 3

Multiply $- 1$ by $4$ .

$- 4$

Related Questions