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27 April, 07:27

Which is a irrational number, √39, √9, √49, 1.7

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  1. 27 April, 07:34
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    √39

    Step-by-step explanation:

    An irrational number is a number that cannot be expressed by a fraction.

    √9 = 3

    √49 = 7

    All whole numbers can be expressed as fractions and are not irrational numbers.

    1.7 = 17/10 which is not an irrational number.
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