Question

Найдите значение выражения :
а) √0,09 + √1,21
б) √3,24 * √1/81

Answer 1

$1) sqrt{0.09} + sqrt{1.21} =0.3+1.1=1.4 \ \ 2) sqrt{3.24} * sqrt{ frac{1}{81} } =1.8* frac{1}{9} = 1 frac{8}{10} * frac{1}{9} = frac{18}{10} * frac{1}{9} = \ = frac{18}{10*9} = frac{2}{10} =0.2$