27 .It is an irrational number because 27 is not a perfect square root 441 same reason as that question.30.232342345non-recurring decimal, so it is an irrational number.iv.7.484848… it is a non-terminating recurring decimal, so it is a rational number.11.2132435465.

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27 .It is an irrational number because 27 is not a perfect square root 441 same reason as that question.30.232342345non-recurring decimal, so it is an irrational number.iv.7.484848… it is a non-terminating recurring decimal, so it is a rational number.11.2132435465.