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# Sec-11 - equivalent decimal form will have terminating or...

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The Real Number System Real Numbers Irrational Rational Undefined Integers Whole Numbers Natural Numbers Definitions 1. The natural numbers are the numbers used for counting. 1, 2, 3, 4, 5, . . . 2. The whole numbers are the natural numbers and zero. 0, 1, 2, 3, 4, 5, . . . 3. The integers are all the whole numbers and their additive inverses. No fractions or decimals. . . . , -3, -2, -1, 0, 1, 2, 3, . . . 4. The rational numbers are the numbers that can be written as the ratio of two integers. All rational numbers when written in their
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Unformatted text preview: equivalent decimal form will have terminating or repeating decimals. 1 5 , 3.25, .8125252525 …, .6 5. The irrational numbers are any real numbers that can not be represented as the ratio of two integers. The numbers usually are imperfect roots. Pi is also an irrational number. Irrational numbers when written in their equivalent decimal form have non-terminating and non-repeating decimals. 13 , 2.236067978 … , π 6. Undefined numbers are numbers in the form k...
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