Q62. - Algebra 2

Question

Evaluate each expression 

 $\sqrt{169}$

Step-by-Step Solution

Answer

Expression $\sqrt{169}$  results into 13

Step 1 - Meaning of a

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

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

Step 2 - Find a whole number whose square is 169

Since, ${13}^2=169$

So, a whole number whose square is 169 is 13 

Step 3 - 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