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2 March, 19:40

Which number is irrational? (MCC. 8NS. 1) A. √10, B. - √81 c. 5/4 d. 9.12

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  1. 2 March, 20:52
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    A. √10

    Step-by-step explanation:

    A rational number can be written as the ratio of two integers

    A. √10

    This cannot be simplified into the ratio of two integers, Square roots that cannot be simplified are irrational

    B. - √81

    - 9

    -9/1 which is the ratio of two integers so it is rational

    c. 5/4

    This is the ratio of two integers so it is rational

    d. 9.12

    912/100

    This is the ratio of two integers so it is rational
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