How much of a radioactive parent isotope will remain after three half-lives have passed? a. one-eighth b. three-halves c. one-third d. one-sixth?

asked Oct 6, 2019 217k views

3 votes

How much of a radioactive parent isotope will remain after three half-lives have passed?

a. one-eighth
b. three-halves
c. one-third
d. one-sixth?

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3 votes

After 1 half life, 1/2
After 2 half lives, 1/4
After 3 half lives, 1/8

Recct answered Oct 10, 2019

by Recct

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