Q60. - Algebra 2

Question

Evaluate each expression 

$\sqrt{16}$

Step-by-Step Solution

Answer

Expression $\sqrt{16}$ results into 4

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 16

Since, $4^2=16$

So, a whole number whose square is 16 is 4 

Step 3 - Simplify 16

Since, square of 4 is 16

So, square root of 16 is 4, $\sqrt{16}=4$

Thus, value of $\sqrt{16}$  is 4