Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 3 - Exponents, Polynomials and Functions - 3.1 Rules for Exponents - 3.1 Exercises: 27

Answer

$\frac{-7x^2}{y^3}$; Bob treated $-7$ as a negative exponent and incorrectly moved it to the denominator.

Work Step by Step

Bob treated $-7$ as a negative exponent and incorrectly moved it to the denominator. Negative numbers that lack exponents should remain where they are. $-7x^2y^{-3}$ $\frac{-7x^2}{y^3}$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.