Question 86904
x = sqrt(0.04)
x = sqrt(4*10^-2)
x = 2*sqrt(1/100)
x = 2(1/10) = 1/5
~
sqrt(0.85)
sqrt(85*10^-2)
sqrt(5*17/100)
sqrt(85)/10
sqrt(85) is between 9 and 10 ... closer to 9
~> 9.2/10 = about 0.92