College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter R - Review Exercises - Page 76: 97



Work Step by Step

Using the laws of exponents, the given expression, $ (7r^{1/2})(2r^{3/4})(-r^{1/6}) ,$ simplifies to \begin{array}{l}\require{cancel} 7(2)(-1)r^{\frac{1}{2}+\frac{3}{4}+\frac{1}{6}} \\\\= -14r^{\frac{6}{12}+\frac{9}{12}+\frac{2}{12}} \\\\= -14r^{\frac{17}{12}} .\end{array}
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