Question

$\sqrt{\frac{5*\sqrt{5} }{\sqrt{0.2}}}$

Answer 1

$\sqrt{\frac{5\sqrt{5} }{\sqrt{0,2}}}=\sqrt{\frac{\sqrt{25*5} }{\sqrt{0,2}}}=\sqrt{\sqrt{\frac{125}{0,2}}}=\sqrt{\sqrt{625} }=\sqrt{25}=5$