Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 1 - Section 1.11 - Rounding Numbers - Exercises: 7

Answer

a)3.1 b)3.142

Work Step by Step

To round to the nearest tenth, inspect the hundredths digit. If 5 or greater, round up. $3.1\underset\uparrow416$ do not round up $3.1416\approx3.1$ To round to the nearest thousandth, inspect the ten-thousandths digit. If 5 or greater, round up. $3.141\underset\uparrow6$ round up $3.1416\approx3.142$
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