Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Skills Handbook - Measurement, Rounding Error, and Reasonableness - Exercises - Page 887: 1


From $23.5\text{ ft}$ to $24.5\text{ ft}$

Work Step by Step

The measurement is given to the nearest foot, so the error is $\pm\text{ 0.5 ft}$. Therefore, to find the range of values that the measurement represents, we must both subtract and add $0.5$ to the given value. $$24+0.5=24.5$$$$24-0.5=23.5$$ Therefore the range of values is from $23.5\text{ ft}$ to $24.5\text{ ft}$
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