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 A number is a mathematical object.Number is used to count, measure. The examples are the natural numbers 1, 2, 3, and so on. A notational symbol that represents a number is called a numeral. In common usage, the term number may refer to a symbol, a word, or a mathematical abstraction.an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations.
“think of a number from one to ten and multiply it by three”
Numbers In Arithmetic And Math And Types Of Numbers
Numbers In Arithmetic And Math And Types Of Numbers

Types of Number’s

  1. Natural Number
  2. Absolute Rational Number
  3. Relative Rational Number
  4. Real Number
  5. Integers

Natural Numbers

The Counting number’s 1,2,3,4,5,6………….. are known as natural number’s.The set of natural number is denoted by N.

N={1,2,3,4 ……….}

Set : A set is a collection os well defined objects.The objects that constitute a set are known as its ‘elements ‘ or ‘members’.

Absolute Rational Numbers

absolute rational number’s are those number’s which can be represented as [pmath size=18]p/q  [/pmath]  in which p

and q  [pmath size=18] {in}  [/pmath] N and [pmath size=18] q <> 0[/pmath].

Relative Rational Numbers

Relative rational number’s are absolute rational number preceded by [pmath size=18]+[/pmath] or [pmath size=18]-[/pmath] sign.

Absolute Irrational Numbers

Absolute irrational number are those numbers which cannot be represented as [pmath size=18]p/q  [/pmath]  or we can say that such number can not be expressed as fractions e.g  [pmath size=18] sqrt{2},log 7 , {pi}[/pmath]

 

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Manu Mahajan Born 26 Dec 1980 ,Is a founder of Tectrick and MM Toy World. www.tectrick.org is a free digital helping guide on many usable topics to the readers in various method such as Youtube videos , Articles and social media conversation MM Toy World is manufacturer , wholesaler and online retailer of soft toys, personalized gifts ,toys corporate gifts .