A real number is just an ordinary number. The set of real numbers include all numbers between negative and positive infinity. Real numbers are ordered, and thus do not include imaginary numbers. A subset of real numbers refers to a group, or subsection, of real numbers. For instance, the numbers between 5 and 22 are a subset of real numbers. Another example of a subset is all even numbers, or all odd numbers.
22
The set of negative integers
yes example pi which is ratio of circumference of a circle by diameter. That is a real number which is APPROXIMATED as 22/7 but is not a rational number. Another example square root of 5,6,7. These are all real numbers but cannot be expressed as a rational number (p/q form)
22 and 333 are composite numbers.
Integers, Rational numbers, Real numbers and Complex numbers.
To any set that contains it! It belongs to {-22}, or {-22, sqrt(2), pi, -3/7}, or all whole numbers between -43 and 53, or multiples of 11, or composite numbers, or integers, or rational numbers, or real numbers, etc.
Real numbers; rational numbers; integers; and of course you can make up lots of other sets to which it belongs.
A real number is just an ordinary number. The set of real numbers include all numbers between negative and positive infinity. Real numbers are ordered, and thus do not include imaginary numbers. A subset of real numbers refers to a group, or subsection, of real numbers. For instance, the numbers between 5 and 22 are a subset of real numbers. Another example of a subset is all even numbers, or all odd numbers.
22
It belongs to any set which has it as a member.The standard sets that include it are:Negative integer numbers (ℤ⁻)Integer numbers (ℤ)Rational numbers (ℚ)Real numbers (ℝ)Complex numbers (ℂ)Note: ℤ⁻ ⊂ ℤ ⊂ ℚ ⊂ ℝ ⊂ ℂ
If you're talking about real numbers, then it is an irrational number. Any number that cannot be written as a fraction is irrational. You cannot write pi as a fraction (22/7 is just an estimate). So any thing multiplied with pi cannot be rational either.
The set of negative integers
yes example pi which is ratio of circumference of a circle by diameter. That is a real number which is APPROXIMATED as 22/7 but is not a rational number. Another example square root of 5,6,7. These are all real numbers but cannot be expressed as a rational number (p/q form)
22 and 333 are composite numbers.
22 and 27 are both composite numbers. 22 is a multiple of 11 and 27 is a multiple of 3.
Including 32 and 53 = 22 whole numbers in betweenNot including 32 and 53 = 20 whole numbers in between