Answer
$\frac{1}{32}$
Work Step by Step
During every half-life, the number of radioactive atoms in the pure sample is multiplied by one-half.
$$\frac{N}{N_o}=(\frac{1}{2})^n=(\frac{1}{2})^5 $$
$$=\frac{1}{32} =3.125\%$$
Physics: Principles with Applications (7th Edition)
by Giancoli, Douglas C.
Published by
Pearson
ISBN 10:
0-32162-592-7
ISBN 13:
978-0-32162-592-2
Chapter 30 - Nuclear Physics and Radioactivity - Problems - Page 882: 42
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.
