College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 1 - Problems - Page 19: 18


(a) $2.9 \times 10^8$ (b) $3.8\times 10^{-15} ~m$

Work Step by Step

(a) US population $290000000 = 2.9 \times 10^8$ (b) diameter of a helium nucleus $0.0000000000000038~m = 3.8\times 10^{-15} ~m$
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.