define the real number system

In mathematics, the real numbers include both rational numbers, such as 42 and -23/129, and irrational numbers, such as pi and the square root of two; or, a real number can be given by an infinite decimal representation, such as 2.4871773339..., [ where the digits continue in some way; or, the real numbers may be thought of as points on an infinitely long number line. ]

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Asked 6/27/2010 12:17:26 AM

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