Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Section 5.2 - Negative Exponents and Scientific Notation - Exercise Set: 59

Answer

$\dfrac{-12m^{5}n^{-7}}{4m^{-2}n^{-3}}=\dfrac{-3m^{7}}{n^{4}}$

Work Step by Step

$\dfrac{-12m^{5}n^{-7}}{4m^{-2}n^{-3}}$ Evaluate the division: $\dfrac{-12m^{5}n^{-7}}{4m^{-2}n^{-3}}=\Big(\dfrac{-12}{4}\Big)m^{5-(-2)}n^{-7-(-3)}=-3m^{7}n^{-4}=...$ Simplify: $...=\dfrac{-3m^{7}}{n^{4}}$
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