Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 4 - Polynomials - 4.2 Negative Exponents and Scientific Notations - 4.2 Exercise Set: 67

Answer

$1$

Work Step by Step

Using the laws of exponents, the given expression, $ \dfrac{t^{-7}}{t^{-7}} $, is equivalent to \begin{array}{l}\require{cancel} t^{-7-(-7)} \\\\= t^{-7+7} \\\\= t^{0} \\\\= 1 .\end{array}
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