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Which one of the following is not a rational number?Group of answer choicesπ½1/3-2

Question

Which one of the following is not a rational number?Group of answer choicesπ½1/3-2

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Solution

The number that is not a rational number from the given options is π.

Rational numbers are numbers that can be expressed as a fraction where both the numerator and the denominator are integers and the denominator is not zero.

The numbers ½, 1/3, and -2 can all be expressed as fractions. For example, -2 can be expressed as -2/1.

However, π (Pi) is an irrational number. It cannot be exactly expressed as a fraction. Its decimal representation never ends or repeats.

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