No, they can belong to infinitely many subsets.
They are irrational numbers
It belongs to the rational numbers which is a subset of the real numbers. The reals, in turn, is a subset of complex numbers.
The set {15}.
The union of two sets, X and Y, consists of all elements that belong to X or Y or both.
-28 belongs to: Integers, which is a subset of rationals, which is a subset of reals, which is a subset of complex numbers.
No, they can belong to infinitely many subsets.
Rational (ℚ) which is a subset of Real (ℝ) which is a subset of Complex (ℂ).
A subset, A, of a given a set S, consists of none or more elements that belong to S.
Negative numbers.
They are irrational numbers
Irrational Numbers which are a subset of Real Numbers which are a subset of Complex Numbers ...
Because all its elements belong to itself.
It belongs to the rational numbers which is a subset of the real numbers. The reals, in turn, is a subset of complex numbers.
5
I'm just telling you this ahead of time...but i'm not 100% sure with this answer..: fractions belong in the Rational Numbers
The set {15}.