Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 9 - Measurement - 9.2 Measuring Area and Volume - Exercise Set 9.2: 62

Answer

The best unit of measure to express the area of the wall of a room would be square meters.

Work Step by Step

Clearly, units of square kilometers would be too large to reasonably express the area of the wall of a room. Also, if we expressed the area of the wall of a room in units of square centimeters, we would need to use a huge number. Therefore, units of square centimeters are too small. The best unit of measure to express the area of the wall of a room would be square meters. The wall of a normal room is several meters wide and a few meters high, so units of square meters would be the best choice.
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