Pre-Algebra Examples

$- 4 \sqrt{16}$

Step 1

Rewrite $16$ as $4^{2}$ .

$- 4 \sqrt{4^{2}}$

Step 2

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

$- 4 \cdot 4$

Step 3

Multiply $- 4$ by $4$ .

$- 16$