Question

A number has 4 zeroes at the end. How many zeroes will its square have?

• A. 16
• B. 2
• C. 8
• D. 4

Answer 1

The correct option is C

8

If a natural number has n zeroes at the end, its square have 2n zeroes at the end. So, the square of the number with 4 zeroes at the end will have 8 zeroes at the end.