No because it can be expressed as a fraction in the form of 1/9
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144 is rational. It is a whole number, it is an integer, etc.......
Yes indeed. There are infinitely many 0 is Pi and others too root2 etc etc
All irrational numbers are non-recurring. If a number is recurring, it is rational. Examples of irrational numbers include the square root of 2, most square roots, most cubic roots, most 4th. roots, etc., pi, e, and most calculations involving irrational numbers.
It is irrational.
It means that it is an exponent, and that it is not a rational number - i.e., one that can be written as a fraction of two integers.