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27 September, 23:35

Is 4.2123417 ... rational or irrational?

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Answers (2)
  1. 28 September, 00:32
    0
    Irrational

    Step-by-step explanation:

    It cannot be expressed as a fraction
  2. 28 September, 01:02
    0
    Irrational

    Step-by-step explanation:

    Any number that can be written as a fraction or a ratio is a rational number. The product of any two rational numbers is therefore a rational number, because it too may be expressed as a fraction. For example, 5/7 and 13/120 are both rational numbers, and their product, 65/840, is also a rational number.

    An irrational number is a number that is NOT rational. It cannot be expressed as a fraction with integer values in the numerator and denominator. When an irrational number is expressed in decimal form, it goes on forever without repeating.
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