Question

√121-10√6.4x√0.1

Answer 1

$sqrt{121} -10* sqrt{6.4} * sqrt{0.1} = sqrt{121} -10* sqrt{6.4*0.1} = \ \ =11-10* sqrt{0.64} =11-10*0.8=11-8=3$

Answer 2

$sqrt{121} -10 sqrt{6,4} * sqrt{0,1} =11-10 sqrt{0,64}=11-10*0,8=11-8=3$