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salatulmaghrib
It's equivalent to 5 1/10
It is rational.

A decimal is rational if it is not endless. It's also rational if it is endless but is repeating (like 0.33333... and 0.131313...)

Answer:

5.1 is rational because it can be expressed in the form of a fraction.  In proper form the fraction is 5 1/10 and in improper form it is 51/10.

Step-by-step explanation: