Chemistry, 13.07.2019 22:20 highschoolboy
The fraction of a radioactive isotope remaining at time t is (1/2)^t/t1/2 where t1/2 is the half-life. if the half-life of carbon−14 is 5,730 yr, what fraction of carbon−14 in a piece of charcoal remains after
(a) 14.0 yr?
(b) 1.900 × 10^4 yr? × 10 (enter your answer in scientific notation.)
(c) 1. × 10^5 yr? × 10 (enter your answer in scientific notation.)
Answers: 1
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