You find a rock containing radioactive potassium-40 and its decay…

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Question Answered step-by-step You find a rock containing radioactive potassium-40 and its decay… You find a rock containing radioactive potassium-40 and its decay product argon-40. You assume that all the argon-40 was made from radioactive decay of potassium-40. The rock now has twice as much argon-40 as potassium-40; that is, 2/3 of the original potassium-40 has decayed into argon-40, whereas 1/3 remains in the rock. about how old is the rock? Show calculations. Science Physics HOU-UF 101 Share QuestionEmailCopy link Comments (0)

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