Question

Find the square root of 8281 and using it, find the square root of 82.81, 0.8281, 0.008281.

Answer 1

square root of 8281 = 91
82.81 = 9.1
0.8281 = 0.91
0.008281 = 0.091

Answer 2

Factors of 8281=7×7×13×13=(7×13)^2
So root=7×13=91
82.81=(7×13)^2×10^-2=(7×13×10^-1)^2
Root=7×13×10^-1=9.1
Similarly root of 0.8281=0.91
Similarly root of 0.008281=0.091