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May 5, 2015

Homework Help: Math

Posted by B.B. on Monday, June 8, 2009 at 7:36pm.

I need some help. Here is the problem: Give an estimate for the following expression. Then state whether you believe that the exact answer is greater than or less than the estimate. Explain how you decided. Here is what I have for an answer so far: 978*66 can be converted to 980*70 that the exact answer is less than the estimate because 978*66=64548 where as 980*70=68600. How do I go about explaining how I decided this?

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