A radioactive isotope has a half-life of 8 days. What fra...
A radioactive isotope has a half-life of 8 days. What fraction of the atoms will remain after 72 days?
9.766 × 10-4
1.736 ×10-3
1.953 ×10-3
3.472 × 10-3
3.906 x 10-3
Correct answer is C
No explanation has been provided for this answer.