Answer
$\dfrac{1}{y^{99}}$
Work Step by Step
Using the laws of exponents, the given expression, $
\dfrac{y}{y^{100}}
,$ simplifies to
\begin{array}{l}\require{cancel}
y^{1-100}
\\\\=
y^{-99}
\\\\=
\dfrac{1}{y^{99}}
.\end{array}
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 5 - Section 5.7 - Negative Exponents and Scientific Notation - Exercise Set - Page 408: 35
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