Answer:
The answer is rational.
Explanation:
Given expression is :
(5 repeating)
Lets convert this in fraction form.
Suppose x = 4.555....
Multiplying by 10 on both sides;

Subtracting x from 10x

We get
x=41/9
Now multiplying 45.6 or 456/100(fraction form) and 41/9, we get 18696/900
This is rational.