10. (100 points) Select the correct answer.
Cobalt-56 has a decay constant of 8.77 × 10-3 (which is equivalent to a half life of 79 days). How many days will it take for a sample of cobalt-56 to decay to 62% of its original value?

10 100 points Select the correct answer Cobalt56 has a decay constant of 877 103 which is equivalent to a half life of 79 days How many days will it take for a class=