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: 5


From $73.15$ to $73.25$

Work Step by Step

The measurement is given to the nearest $0.1$ millimeter, so the error is $\pm0.05\text{ mm}$. Therefore, to find the range of values that the measurement represents, we must both subtract and add $0.05$ to the given value. $$73.2+0.05=73.25$$$$73.2-0.05=73.15$$ Therefore the range of values is from $73.15$ to $73.25$
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