simplify.\n$sqrt{28}$

Explanation:

Step1: Factorize 28

$28 = 4\times7$

Step2: Apply square - root property

$\sqrt{28}=\sqrt{4\times7}=\sqrt{4}\times\sqrt{7}$

Step3: Simplify $\sqrt{4}$

$\sqrt{4} = 2$, so $\sqrt{4}\times\sqrt{7}=2\sqrt{7}$

Answer:

$2\sqrt{7}$