is 3.0625 a rational number?

1 answer

Yes, it is.

A rational number is a number that can be in the form p / q where p and q are integers and q is not equal to zero.

In this case:

3.0525 = 30625 / 10000 = 625 ∙ 49 / 625 ∙ 16 = 49 / 16

49 and 16 are integers

So 3.0625 is a rational number.