Question

помогите срочно надо
$sqrt{12*75}$
$sqrt{0,36*0,81}$

Answer 1

$sqrt{12*75}=sqrt{3*2*2*5*5*3}=sqrt{3^2*2^2*5^2}=3*2*5=30$

$sqrt{0.36*0.81}=sqrt{(0.6)^2*(0.9)^2}=0.6*0.9=0.54$