0.345345345(not repeating) is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
4.6 is rational.
Any repeating decimal digits (this includes repetition after a certain point, e.g. 2.4510101010...) is a rational number.
10.01 is a rational number
It is a rational number
If x is rational the it is rational. If x is irrational then it is irrational.
Rational. Rational. Rational. Rational.