Elementary Technical Mathematics

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

Chapter 1 - Section 1.12 - Multiplication and Division of Decimal Fractions - Exercises - Page 73: 71


$42.7\ ft^3$

Work Step by Step

To find the volume, find the product of the length, width and depth. Use conversion factors to express all the dimensions in feet rather than a mix of feet and inches. $16\ in\times\frac{1\ ft}{12\ in}\times4\ ft\times8\ ft=42.\underset\uparrow666\overline6\ ft^3$ Since the digit to the right of the tenths digit is greater than 5, round up.
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