fhurst36 fhurst36

16-07-2018
Mathematics

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19/10 rational or irrational ?

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mathstudent55 mathstudent55

16-07-2018

Definition of a rational number:

A rational number is a number that can be written as fraction of integers.

19/10 is a fraction.

19 and 10 are integers.

19/10 follows exactly the definition of a rational number, so it is rational.

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