Question

Evaluate each expression

$\sqrt{169}$

Short answer

Expression $\sqrt{169}$ results into 13

Step-by-step solution

- Meaning of a

The symbol $\sqrt{}$ is used to denote square root of a number.

Thus $\sqrt{a}$ denotes square root of $\text{'}a\text{'}$

- Find a whole number whose square is 169

Since, ${13}^2=169$

So, a whole number whose square is 169 is 13

- Simplify 169

Since, square of 13 is 169

So, square root of 169 is 13, $\sqrt{169}=13$

Thus, value of $\sqrt{169}$ is 13