Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 7 - Measurement - Review Exercises - Page 525: 11



Work Step by Step

One postage stamp weighs 90 mg . Weight can be measured in Kg, g or mg. If we choose 90 kg or 90 g it will be too heavy weight for the postage stamp. So 90 mg is the correct choice.
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