Question

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

Answer 1

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