Question

Unit place of a number is 0 is a perfect square?

Answer 1

unit place is 0.it can be a perfect square or can't be.
if the second place is also zero i.e.00 it can be a perfect square.it can be like this also 0000.

Answer 2

unit place is 0.it can be a perfect square or can't be. 
if the second place is also zero i.e.00 it can be a perfect square.it can be like this also 0000.