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Which set(s) of numbers does -0.002, -3.4, and the square root of 36 fall under? (Real...

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brandih | eNotes Employee

Posted September 5, 2013 at 2:34 AM via web

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Which set(s) of numbers does -0.002, -3.4, and the square root of 36 fall under? (Real numbers) Thanks!

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tjbrewer | Elementary School Teacher | (Level 2) Associate Educator

Posted September 5, 2013 at 3:00 AM (Answer #1)

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All of these are rational numbers, i.e. they can all be easily expressed as ratios or fractions.  -0.002 is `-2/1000=-1/500` -3.4 is `-3 4/10=-3 2/5` and `sqrt(36)=6` which is not only rational, it is a whole number, and an integer. 

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