The classifications to the number 7 are:
Natural, Whole, Integer, Rational.
Which numbers belong to the sets listed in this problem?
- Natural numbers: Non-decimal positive numbers, hence 1, 2, 3, 4, ....
- Whole numbers: Non-decimal non-negative numbers, that is, the only difference from the natural numbers is that it contains 0.
- Integer numbers: Non-decimal numbers, hence whole + non-decimal negatives, that is, -3, -2, -1, 0, 1, 2, 3, ...
- Rational numbers: Integer + decimals that can be converted to fractions.
Hence the number 7 belongs to all the sets listed in the problem.
More can be learned about classification of numbers at https://brainly.com/question/5796983
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