Question

1. To which subset of the real number system does the number 1.5 belong?A whole numbersB natural numbers© rational numbersD irrational numbers

Answer 1

The subset of real number system that 1.5 belong is the

Rational number.

By definition

Any number that can be expressed in fraction form is a rational number

since

$1.5\text{ = }\frac{15}{10}\text{ = }\frac{3}{2}$

Then

The correct answer is rational numbers