Answer:
.6 is a rational number
Step-by-step explanation:
.6 can be written as 6/10
This is the ratio of integers , which is the definition of rational numbers
Rational
A rational number is a number that can be expressed as a fraction of integers. .6 (or any terminating decimal) can be expressed as a fraction. .6 is the same as 6/10. Since it is able to be expressed as a fraction, it is a rational number.
3x^2-x-4