Question

Is 0.45 a irrational

Answer 1

The short answer is no.

Long answer:

First, let us define what a rational number is. Mathematicians define a rational number as a number that can be expressed as the ratio of an integer to an integer.

Conversely, a irrational number is a number that cannot be expressed as a ratio of an integer to an integer.

The decimal number can be pressed as
`(45)/(100)`

So, no. 0.45 is not irrational.