Question

What could be the possible 'one,s' digits of the square root of 9801

Answer 1

The possible one's digit of the square root of 9801 are 9 or 1

Answer 2

Prime factorization of 9801 = 3 * 3 * 3 * 3 * 11 * 11 = 3^2 * 3^2 * 11^2

= √9801

=√( 3^2 * 3^2 * 11^2 )

= 3 * 3 * 11

= 99.

The ones' place digit is 9.