The problem asks to find the square root of 256. In mathematical notation, we need to evaluate $\sqrt{256}$.

1. Problem Description

The problem asks to find the square root of

2

5

6. In mathematical notation, we need to evaluate $\sqrt{256}$.

2. Solution Steps

We need to find a number that, when multiplied by itself, equals

2

5

6. We can start by listing some perfect squares:

$1^2 = 1$

$2^2 = 4$

$3^2 = 9$

$4^2 = 16$

$5^2 = 25$

$10^2 = 100$

$11^2 = 121$

$12^2 = 144$

$13^2 = 169$

$14^2 = 196$

$15^2 = 225$

$16^2 = 256$

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

3. Final Answer

16