Question

If there is a pattern in the decimal portion of a number,

it is always a rational number.

True or false

Answer 1

False. If there is a repeating pattern in the decimal portion of a number, it is a rational number. However, not all numbers with patterns in their decimal expansions are rational. For example, the number pi (π) has a non-repeating, non-terminating decimal expansion, and it's not a rational number.

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