Question

I'm confused on simplifying square roots and rationalizing the denominator

Answer 1

$5) \ \ \sqrt{175} = \sqrt{25*7}= \sqrt{25} \sqrt{7}= 5 \sqrt{7} \\ \\ \\ 7) \ \ \cfrac{2}{ \sqrt{3} }= \cfrac{2* \sqrt{3} }{ \sqrt{3}* \sqrt{3} }= \cfrac{2 \sqrt{3} }{ 3}$