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: 8

Answer

27.44

Work Step by Step

Multiplying two negative factors yields a positive product. Since the first factor has 2 decimal places and the second has 1 decimal place, the product has 3 decimal places. $\ \ \ -\overset2{\overset47}.\overset1{\overset28}4$ $\underline{\times-\ \ 3.5}$ $\ \ \ \ \ \ \overset13.920$ $\underline{\ \ \ \ 23.520}$ $\ \ \ \ 27.440$ Trailing zeroes to the right of the decimal are dropped.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.