Question

the number of zeros at the end of a perfect square is always even...why

Answer 1

Answer:

Its always even because 0 is an even number, and we know that a n even number's square is always even. Thus, the number of zeros at the end of a perfect square is always even.

Answer 2

Let me give You an example see

(40)² = 1600 Why because the number is multiplied twice so the number of 0 is twice the original number.

Likewise

(400)² = 160000 Is also having even number of zeroes and also numbers of zeoes is square to the original number of zeroes.

Hope it helps....

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