Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - 2-10 Change Expressed as a Percent - Practice and Problem-Solving Exercises: 22

Answer

.35 mm to .45 mm

Work Step by Step

The length is measured to the nearest tenth of a mm, so the maximum error is .05 mm. Thus, we know that the length can be .05 more or .05 less than .4, giving us a range of .35 mm to .45 mm.
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