173 belongs to the set of positive natural numbers and it also belongs to the set of prime numbers.
The number -4 belongs to the set of all integers. It also belongs to the rationals, reals, complex numbers.
Rational numbers and Real numbers
Because that is how the set of integers and the set of rational numbers are defined.
-5 to a set number is -5
10 belongs to the natural integer numbers
173 belongs to the set of positive natural numbers and it also belongs to the set of prime numbers.
9 belongs in the sets: -Natural number set, positive whole numbers -Integer number set, whole numbers -Rational number set, numbers that are not never ending -Real number set, basic numbers without i and that can be expressed in say amounts of apples -Complex number set, the set that contains both real and unreal numbers
The number -4 belongs to the set of all integers. It also belongs to the rationals, reals, complex numbers.
It belongs to the set of prime numbers
It belongs to the set ofrational numbers,decimal fractions,improper fractions (in decimal form),real numbers,complex numbers,quaternions.
Rational numbers and Real numbers
30 belongs to the set of natural numbers
Real numbers; also the rational numbers.
10 belongs to the set "natural numbers", but it can also belong to whole numbers, and rational numbers
Any number that can be written as a fraction belongs to the set of rational numbers.
Because that is how the set of integers and the set of rational numbers are defined.