Question

what could be the possible ones digit of the square root of
9801​

Answer 1

Answer:

95.2942810456

Step-by-step explanation:

............

Answer 2

Answer:

1 and 9

Step-by-step explanation:

Check which numbers square end in 1

eg: 11^2 =121

      19^2=361

So we can see that all these numbers end in 1 so hence answer is 1 & 9