Question

real numbers
square root of a perfect square
what is the value of $sqrt{100}$?

Explanation:

Step1: Recall square - root definition

The square root of a number $x$ is a value $y$ such that $y\times y=x$. We need to find a number $y$ where $y^2 = 100$.

Step2: Identify the number

Since $10\times10 = 100$, $\sqrt{100}=10$.

Answer:

$10$