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Question

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


  1. 2

  2. 16 

  3. 4

  4. 8


Solution

The correct option is D

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.

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