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Question

Find the product of 15 and 100.


  1. 150

  2. 1500

  3. 15

  4. 15000


Solution

The correct option is B

1500


While multiplying large numbers that end with zero(s), we keep the zeros aside and perform the multiplication of the non-zero digits.

Then, we add the total number of zeros we kept aside at the end of the product. 

Hence, to find 15×100, we find  15×1=15 and add the two zeros in 1500 to the product 15.

i.e., 15×100=1500

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