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Doris says 0 is not a rational number is she correct?

2 Answers

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0 is a rational number because it can be written as a ratio. So Doris is incorrect. 
User Mesco
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3 votes
As far as I know 0 IS a rational number. The only ones that are not rational are negative numbers. :) Though I could be wrong.....
User Prageeth
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