Of the "standard sets" -10 belongs to: ℤ⁻ (the negative integers) ℤ (the integers) ℚ⁻ (the negative rational numbers) ℚ (the rational numbers) ℝ⁻ (the negative real numbers) ℝ (the real numbers) ℂ (the complex numbers) (as ℤ ⊂ ℚ ⊂ ℝ ⊂ ℂ). Other sets are possible, eg the even 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.
Real numbers; also the rational numbers.
It is a rational and real number.
10 belongs to the set "natural numbers", but it can also belong to whole numbers, and rational numbers
integers
-10 belongs to the set of all integers denoted by Z.
Of the "standard sets" -10 belongs to: ℤ⁻ (the negative integers) ℤ (the integers) ℚ⁻ (the negative rational numbers) ℚ (the rational numbers) ℝ⁻ (the negative real numbers) ℝ (the real numbers) ℂ (the complex numbers) (as ℤ ⊂ ℚ ⊂ ℝ ⊂ ℂ). Other sets are possible, eg the even numbers.
173 belongs to the set of positive natural numbers and it also belongs to the set of prime numbers.
It belongs to the interval (25, 27.3), or [-20.9, 10*pi], and infinitely more such intervals.It also belongs to the set of rational numbers, real numbers, complex numbers and quaternions.
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.