Answer
$6\sqrt5$
Work Step by Step
Rationalize the denominator by multiplying $\sqrt5$ to both the numerator and the denominator to obtain:
$=\dfrac{30}{\sqrt5} \cdot \dfrac{\sqrt5}{\sqrt5}
\\=\dfrac{30\sqrt5}{5}
\\=6\sqrt5$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 5 - Number Theory and the Real Number System - Chapter Summary, Review, and Test - Review Exercises - Page 335: 76
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.
