Question

Which of the following is NOT an integer?

Options

• –3

• 0

• 4

• 2.5

Answer 1

2.5

Explanation:

Integers include all whole numbers, both positive and negative, as well as zero.

Examples: … –3, –2, –1, 0, 1, 2, 3 …

The number 2.5 is not a whole number because it has a decimal part.