Elementary Technical Mathematics

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

Chapter 5 - Test - Page 232: 8



Work Step by Step

By removing the parentheses and adding the exponents of the like terms, we get $$ (7a^2)(-4a^4)(a)=7(-4)a^7=-28a^7 .$$
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