Answer
$\frac{3}{14}$
Work Step by Step
Use the definition of negative exponents.
$7^{-1}+14^{-1}=\frac{1}{7}+\frac{1}{14}=\frac{1\times2}{7\times2}+\frac{1}{14}=\frac{2}{14}+\frac{1}{14}=\frac{3}{14}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Appendix B - Exercise Set - Page 742: 60
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.
