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Mathematics 7 Online
OpenStudy (anonymous):

give one good reason why 2,700 is NOT a good estimate for 903 times29.

OpenStudy (beginnersmind):

If I wanted to estimate 903 * 29 I'd look at 900 *30, since 903 is close to 900 and 30 is close to 29.

OpenStudy (anonymous):

please help cant understand it

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