Answer
$\frac{5}{y^4}$
Work Step by Step
A negative exponent is made positive by moving the term to the other side of the fraction bar.
$5y^{-4}=\frac{5y^{-4}}{1}=\frac{5}{y^4}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Appendix B - Exercise Set - Page 742: 20
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