Question 603317: In which subset of the real numbers does -3 belong?
Answer by richard1234(7193)   (Show Source):
You can put this solution on YOUR website! Real numbers have infinitely many subsets.
If you mean the "double-stroke" letter subsets (complex, rationals, irrationals, integers, whole numbers, natural numbers -- ones denoted by double-stroked letters), -3 would be considered complex, rational, integer. It is not a whole number because whole numbers, by definition, are nonnegative.
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