Question

Which of the following gives all of the sets that contain sqare root 9

1 the set of all irrational numbers
2.the set of all natural numbers, the set of all whole numbers, and the set of all integers
3. the set of all integers, the set of all rational numbers, and the set of all real numbers
4. the set of all natural numbers, the set of all whole numbers, the set of all integers, the set of all rational numbers, and the set of all real numbers

Answer 1

4. the set of all natural numbers, the set of all whole numbers, the set of all integers, the set of all rational numbers, and the set of all real numbers

Explanation:

√9 = 3

3 is every kind of number except irrational. It belongs to the sets of ...

• natural numbers
• whole numbers
• integers
• rational numbers
• real numbers