What do you notice about the number of zeros at the end of a number Class 8

What do you notice about the number of zeros at the end of a number Class 8

Question 1.

What do you notice about the number of zeros at the end of a number and the number of zeros at the end of its square? Will this always happen? Can we say that squares can only have an even number of zeros at the end? Class 8

Solution:

Number of zeros in a square is double of the number of zeros in the original number, yes, yes.

Question 2.

What can you say about the parity of a number and its square? Class 8

Solution:

The parity of a number is the same as the parity of its square. That is parity of the square of an odd number is odd and parity of the square of an even number is even.