The problem asks to find the square root of 256, i.e., to find the number which when multiplied by itself gives 256. The expression is $\sqrt{256} = ?$

1. Problem Description

The problem asks to find the square root of 256, i.e., to find the number which when multiplied by itself gives

2

5

6. The expression is $\sqrt{256} = ?$

2. Solution Steps

We need to find a number $x$ such that $x^2 = 256$.

We can test some integers:

$10^2 = 100$ (too small)

$15^2 = 225$ (close)

$16^2 = 16 \times 16 = 256$.

Therefore, the square root of 256 is

1

6. $\sqrt{256} = 16$

3. Final Answer

16