Flashcards in Number Systems Deck (6)

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1

## What are natural numbers and give an example.

### Natural numbers are positive whole numbers that can be used for counting. N = {0,1,2,3,4...}

2

## What are integer numbers and give an example.

### Integer numbers can be positive or negative whole numbers. Z = {...-2,-1,0,1,2...}

3

## What are rational numbers and give an example.

### Rational numbers are numbers that can expressed as a fraction or in a ratio. Q = {...100/2, 3/7...}

4

## What are irrational numbers and give an example.

### Irrational numbers are numbers that cannot be expressed in a fraction or ratio. Q' = {...pi, root 2 ...}

5

## What are real numbers and give an example.

### Real numbers are any value that is a natural, integer, rational or irrational number. R = {...2, 24/5, pi, -30...}

6