Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 5 - Section 5.3 - Multiplying Decimals and Circumference of a Circle - Exercise Set: 13

Answer

8.23584

Work Step by Step

Since the first factor has 4 decimal places and the second has 1 decimal place, so the product has 5 decimal places. $\ \ \ \ \ 1.00\overset5{\overset14}7$ $\underline{\times\ \ \ \ \ \ \ \ 8.2}$ $\ \ \ 0.20\overset1094$ $\underline{\ \ \,8.03760}$ $\ \ \,8.23854$ Estimate: $1.0047\approx1$ $8.2\approx8$ $1\times8=8\checkmark$
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