Question

Вычислите $- sqrt{0,2} *( sqrt{98} * sqrt{10} + sqrt{1,8} )$

Answer 1

$- sqrt{0,2}cdot (sqrt{98}cdotsqrt{10}+sqrt{1,8})=- sqrt{0,2}cdotsqrt{98}cdotsqrt{10}- sqrt{0,2}cdot sqrt{1,8}=\ =- sqrt{196}- sqrt{0,36}=-14-0,6=-14,6$