Answer
mm
Work Step by Step
My fingernail is 10 mm wide. Length can be measured in km, m, cm or mm. If we choose 10 km, 10 m or 10 cm it will very long for fingernail. So 10 mm is the correct choice.
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 7 - Measurement - Review Exercises - Page 525: 5
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