Question

square number have number of zeros at once​

Answer 1

Answer:

In other words, a number ending in an odd number of zeros is never a perfect square. Example : 2500 is a perfect square as number of zeros are 2(even) and 25000 is not a perfect square as the number of zeros are 3 (odd).

Answer 2

Answer:

In other words, a number ending in an odd number of zeros is never a perfect square.

Example : 2500 is a perfect square as number of zeros are 2 ( even) and 25000 is not a perfect square as the number of zeros are 3 (odd).

hope it's help you