Mathematics, 10.02.2020 23:33, nauticatyson9

Carbon-14 dating assumes that the carbon dioxide on Earth today has the same radioactive content as it did centuries ago. If this is true, the amount of 14C absorbed by a tree that grew several centuries ago should be the same as the amount of 14C absorbed by a tree growing today. A piece of ancient charcoal contains only 22% as much of the radioactive carbon as a piece of modern charcoal. How long ago was the tree burned to make the ancient charcoal?

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Carbon-14 dating assumes that the carbon dioxide on Earth today has the same radioactive content as...