Thinking Mathematically (6th Edition)

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

Chapter 9 - Measurement - Chapter 9 Test - Page 608: 18


My suitcase weighs 20 kg.

Work Step by Step

My suitcase weighs 20 kg. If the suitcase weighs 20 g or 20 mg, these weights are both much less than 1 kg, and an estimate of 1 kg for a suitcase seems too light. Even a suitcase that is packed with a few basic items would normally weigh several kilograms. Therefore, the most reasonable metric unit for the weight of the suitcase is the kilogram.
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