Elementary Technical Mathematics

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

Chapter 1 - Unit 1A Review - Page 26: 19



Work Step by Step

$2|\underline{40}$ last digit is even $2|\underline{20}$ last digit is even $2|\underline{10}$ last digit is even $\ \ \ \ \ 5$
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