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Question

Which of the following are rational numbers and which are not?

4-415×(-2)


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Solution

A rational number is defined as a number that can be expressed in the form pq where p (numerator) and q (denominator) are integers (q≠0).

So, 4-415×(-2)=0-30 , here p=0 and q=-30.

Hence, 4-415×(-2) is a rational number.


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