The set of real numbers is presented below.
The definition of the sets is presented below:
Natural numbers: Includes all the positive integers numbers.
Whole Number: Whole number is the set of natural numbers and includes zero.
Integers: Includes negative, zero, and positive integer numbers.
Rational numbers: Set of numbers that are expressed as the ratio of two integers: p/q where p and q are integers. Any number that can be written as a fraction.
Irrational number: Any decimal number which can not be written as a fraction.
Real: rational + irrational number.
As you can see in the figure, the number 2 belong to the sets:
* Natural numbers;
* Whole numbers;
* Integers;
* Rational numbers;
* Real numbers.
Answer:
* Whole numbers;
* Integers;
* Rational numbers;
* Real numbers.
