Question

Which numbers below are ratonal? (Select all that apply)

A. -7

B. 36.545454....

C. 9.149278643

D. 7/11

E. 10√

F. 25√+ 3

G. 2√+9√

Answer 1

The answer is -7, 36.545454… and 7/11.
Rational numbers can be expressed as a fraction or part of a whole number, irrational numbers cannot be expressed as a fraction. Just think of rational numbers as nice numbers and irrational numbers as crazy numbers. Repeating decimals are rational.