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Mathematics 14 Online
OpenStudy (anonymous):

Estimate the answer by rounding. 84 - 18

pooja195 (pooja195):

84 minus 18 is equal to 66, when rounded it would be 70

OpenStudy (anonymous):

you can't subtract?

OpenStudy (anonymous):

Or you could also round 84 to 80 and 18 to 20. 80 - 20 = 60

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