You can estimate 4,875*82 by approximating 4,875 to 5,000 and 82 to 80. I moved one up and the other down to make a closer approximation. 5,000*80 is about 400,000. The actual answer is 399,750. Only 0.06% off for numbers of such large magnitude!
Hope this helped, thanks!
Dec 18th, 2014
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