Question

Find the square root of the following decimals correct upto two decimal places: (a) 15.625 (b) 0.025

Answer 1

1) 3.9528 2)0.1581 is the right ans

Answer 2

a) 15.625=15625/1000
hence, √(15625/1000)=125/10√10=1.25√10=3.95(approximately)
b) 0.025=25/1000
hence, √(25/1000)=5√10/100=√10/20=0.16(approximately)