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Mathematics / The Number System

Mathematics / The Number System

Natural numbers are those that are used for counting. The first natural number is 1.


Whole numbers consist of all the natural numbers and the number 0.


A Rational number is a number which can be expressed as the quotient or fraction of two integers. If the number is of the form p/q, where p and q are integers and q is not equal to zero, it is called a rational number. It is also expressed as a ratio of two integers.
An Irrational number is a real number which cannot be written as a simple fraction.

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