Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 7 - Exponents and Exponential Functions - 7-4 Division Properties of Exponents - Lesson Check - Page 442: 1


$y^{-7}= \frac {1}{y^{7}}$

Work Step by Step

When two numbers with exponents and the same base are divided, we subtract the exponent in the numerator by the exponent in the denominator to get the new exponent. 3-10 equals -7, so we know that -7 is the new exponent.
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