Biology, 28.11.2020 18:00 ruffnekswife
When a rock first formed, it contained 8 milligrams of potassium-40. How much potassium-40 would remain after three half-lives?
1 milligram
O 2 milligrams
O 3 milligrams
O 4 milligrams
Answers: 3
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When a rock first formed, it contained 8 milligrams of potassium-40. How much potassium-40 would rem...
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