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Mathematics 12 Online
OpenStudy (anonymous):

Magnitude estimate? 12.2 x 1.56 =? and is it 10s, 100s, 1,000s or 10,000s?

OpenStudy (anonymous):

estimate 12.2 as 10 and estimate 1.56 as 1 so 1 x 10 will be in the 10s range.

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