Name the sets of numbers to which negative 10 belongs?

Answer 1

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.

Answer 2

You can invent lots of sets to which it belongs; some common sets include the set of negative number; the set of integers; the set of rational number; the set of real numbers; the set of complex numbers.

Answer 3

It belongs to the following sets:

• negative integers,
  
• integers,
• negative rational numbers,
• rational numbers,
• negative real numbers,
• real numbers,

It also belongs to the set of even numbers, and many others.