Bounding an area

Bounding an area

TGM Original

A rectangle has length \(12.6\text{ cm}\) and width \(4.2\text{ cm}\), each correct to the nearest \(0.1\text{ cm}\). Find the lower and upper bounds of its area.

Solution:

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Answer:Lower \(52.0825\text{ cm}^2\); upper \(53.7625\text{ cm}^2\)

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