Question

Is .375 a rational or irrational number?

Answer 1

It is rational since it can be written as a ratio.


`(375)/(1000)`

Answer 2

.375 is the ratio of 375 to 1000.
It's also the ratio of 3 to 8, of 6 to 16, of 9 to 24, etc.

EVERY number that you can completely write down on paper, using
digits or a decimal point or a fraction bar, is a rational number.