Rick M. answered • 11/24/15

Tutor

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MD/ PhD Student, Biomedical Engineering

The mistake Becky most likely made was not realizing the commas and decimal points to see the actual magnitude of the numbers. The first is nearly a 1,000,000 while the second is nearly 130 thousand. So the actual estimate, rounded up, is approximately 1,130,000.

This makes sense because when we do the actual calculation of 997,286.00 + 129,092.00 = 1,126,378.00 which is sufficiently close to the estimate of 1,130,000.