Identify whether the given number is a member of the following sets of numbers: A. natural numbers, B. whole
numbers, C. integers, D. real numbers.
-7.31
A) C, D
B)B, D
C) D
D) A, B, C, D

Question

Quizplus · Accepted Answer

7.31 is not a natural number (positive whole numbers), neither a whole number (positive numbers and zero), but it is an integer (positive and negative whole numbers and zero) and a real number (all possible numbers on the number line). Therefore, it belongs to sets C and D. Option D is incorrect because 7.31 is not in set A, which only includes positive integers. Option B is incorrect because 7.31 is not a whole number.

Identify Whether the Given Number Is a Member of the Following