It is. A rational number is either an integer or a recurring decimal. An irrational number would be the square root of 2. There are also complex numbers that aren't rational or irrrational.
0.3333
0.3333
3.3333
A rational number is one that can be written as a ratio - or fraction - between two integers. All integers can be written in the form (integer) / 1, and are therefore rational.
0.6667
Yes.
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0.6667
No. 3 = 3/1 which is of the form a/b (with a & b integers) which is a rational number
3 is a rational number because it can be expressed as a fraction in the form of 3/1
3/1
3 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.