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-9.1 is the ratio of -91 and ' 10 '. Completely rational.

Hint: Any number that you can completely write down on paper with digits is rational.

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Q: Is -9.1 an irrational number
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Is the square root of 91 irrational or a rational number?

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Is the square root of 91 rational or irrational?

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What is a negative irrational number?

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