Question

Classify the following numbers as rational or irrational:-. √27​

Answer 1

irrational

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Answer 2

A rational number is part of a whole expressed as a fraction, decimal or a percentage. ... It is a number that cannot be written as a ratio of two integers (or cannot be expressed as a fraction). For example, the square root of 2 is an irrational number because it cannot be written as a ratio of two integers.

Then √27 is not a square value so this is an irrational number