-8.1 irrational number or rational

Answer:
Rational
Step-by-step explanation:
Because it's an actual number that you can graph where irrational would be is if it would be a number that like pie or something where it just goes on and on
Answer:
Rational
Step-by-step explanation:
-1.8 is a rational number. It has a terminating and non repeating decimal.
[tex]-1.8=-\frac{18}{10} =-\frac{9}{5}[/tex]
Hope this helps.
As a little bonus: -8.1 would be rational for the same reason.
[tex]-8.1=-\frac{81}{10}[/tex]