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# 10 Examples of Real Numbers

October 8, 2023
written by Rida Mirza

Real numbers include all rational numbers, irrational numbers, and integers. Real numbers can be positive, negative, fractions, decimals, or whole numbers.

In this article, we will discuss ten examples of real numbers in mathematics.

## Examples of Real Numbers

These are 10 examples of real numbers:

### 1. âˆš2

Square root of 2 is an irrational number. All irrationals are real numbers.

### 2. Ï€

Mathematical constant pi, representing the ratio of a circle’s circumference to its diameter, is also an irrational number.

### 3. -5

Integers -5 are real numbers. Integers are whole numbers that are positive, negative, or zero.

### 4. 1/2

Fractions 1/2 are rational numbers and therefore real numbers. Rational numbers are expressed as the ratio of two integers.

### 5. -3.14159

Decimal numbers, even negative decimals like -3.14159, are categorized as real numbers.

### 6. 0

The number zero is a real number, and it is categorized as an integer.

### 7. -âˆš8

Negative irrational numbers -âˆš8 are also examples of real numbers.

### 8. 2.71828

Transcendental numbers such as e (2.71828â€¦) are always real numbers.

### 9. -15/9

Negative fractions or rational numbers -15/9, are real numbers.

### 10. 10

Whole numbers 10 are real numbers.

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