Homework Help: math

Posted by boss on Monday, September 26, 2011 at 11:50pm.

Reasonableness Sun-Yi estimated 270+146 and got 300. Is her estimate resonable? Explain.

math - Steve, Tuesday, September 27, 2011 at 2:51pm
No. 270 is almost 300, and 146 is over 100 more. A better estimate would have been 400.

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