Answer
1. Exponential
2. $k = 4$
Work Step by Step
1. Exponential equation
The variable is the exponent.
2. Solve
$3^{k} = 81$
$3^{k} = 3^{4}$
$k = 4$
Check:
$ 3^{4}$
$= 81$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 5 - Exponential Functions - 5.2 Solving Equations Using Exponent Rules - 5.2 Exercises - Page 438: 87
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
