College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.2 - Real Numbers - P.2 Exercises - Page 15: 2

Answer

$ba$, commutative property of multiplication

Work Step by Step

$ab=a \cdot b = b \cdot a = ba$ To prove, $ab=ba$, divide both sides by $a$ or $b$ and the equations will become equal.
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