Question

7. To which set or sets does the number 8.25

belong?
A. Integers only
B. Rational numbers only
C. Integers and Rational numbers only
D. Whole numbers, Integers, and Rational
numbers

Answer 1

B

Explanation:

Integers and Whole Numbers cant have decimals.

Answer 2

B

Explanation:

Remind what are the elements of all given sets.

Natural numbers are numbers used when counting 1, 2, 3, 4, ...

Whole numbers are numbers 0, 1, 2, 3, 4, ... (natural numbers and 0)

Integers are natural numbers, 0 and negative numbers (see attacged diagram for details).

Rational numbers are numbers that can be written as fractions of integers and natural numbers.

You are given number 8.25. This number can be written as

`8.25=8(25)/(100)=8(1)/(4)=(33)/(4).`

This number is not a whole number, is not an integer, but is rational because it can be written as fraction.