Question

Simplify each square root.

$\sqrt{49}$

Short answer

The square root of the number is 7.

Step-by-step solution

Step 1. Identify a perfect square.

49 is a perfect square. We know $49=7^2$.

Step 2. Square root of the perfect square.

Since $49=7^2$. So we can write $\sqrt{49}=\sqrt{7^2}$.

Step 3. Cancel square and square root.

$\sqrt{7^2}=7$