The problem asks us to evaluate the square root of 256, which is written as $\sqrt{256}$. We need to find a number which, when multiplied by itself, equals 256.

1. Problem Description

The problem asks us to evaluate the square root of 256, which is written as $\sqrt{256}$. We need to find a number which, when multiplied by itself, equals

2

5

6.

2. Solution Steps

We need to find a number $x$ such that $x * x = 256$.

We know that

$10 * 10 = 100$

$15 * 15 = 225$

$16 * 16 = 256$

Therefore, $\sqrt{256} = 16$.

3. Final Answer

16