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 - Page 359: 10

Answer

22.41

Work Step by Step

Since the first factor has 1 decimal place and the second has 1 decimal place, the product has 2 decimal places. $\ \ \ \ \ 8.3$ $\underline{\times\ \ 2.7}$ $\ \ \ \overset1{\ }\overset15.81$ $\underline{\ \ 16.60}$ $\ \ 22.41$ Estimate: $8.3\approx8$ $2.7\approx3$ $8\times3=24\checkmark$
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