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    Question

    The irrational number in the following options

    is:
    A 9 Correct Answer Incorrect Answer
    B 1/9 Correct Answer Incorrect Answer
    C √0.9 Correct Answer Incorrect Answer
    D √0.09 Correct Answer Incorrect Answer

    Solution

    The number √0.9 cannot be written in the form of p/q, which makes it an irrational number. All the other options represent rational numbers. Therefore, √0.9 is the only irrational number in the list.

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