Which of the following statements are true of rational numbers?

Question

 I have to say what kind of things does a nimber have to have to be rational

 

Answer 1

Rational numbers are real numbers that can be written in the form of a/b, where b ≠ 0.

The following are examples of rational numbers:

-21/5, -3, -1, 0, 1/2, 5/3, √16, 22, etc.

 

Irrational numbers never stop and never repeat, like √2, π, √19, 4.121121112..., etc.