Question

To which set or sets does -20 belong?

A: whole number, integer and rational number
B: integer and rational number
C: negative integer
D:Whole number and integer

Answer 1

B and C.

Explanation:

-20 is a negative integer.

It is also rational.

Answer 2

B: integer and rational number

Explanation:

whole numbers: 0, 1, 2, 3, 4, ...

integer: ..., -4, 3, -2, 1, 0, 1, 2, 3, 4, ...

rational number: any number that can be written as a fraction of integers

Answer: B: integer and rational number