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24 October, 12:40

Is the square root of 81 rational or irrational number and is 5 divided by 3.14 rational or irrational.

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Answers (2)
  1. 24 October, 14:14
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    square root of 81 = 9 so it is rational number

    5 divided by 3.14 = 5/3.14 = 500/314 so it is rational as well.
  2. 24 October, 16:14
    0
    5 divided by 3.14 = 1.5923566879 so it is irrational.
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