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Wood Deposits Recovered from an Archeological Site Contain 22% of the Carbon

Question 188

Short Answer

Wood deposits recovered from an archeological site contain 22% of the carbon 14 they originally contained. How long ago did the tree from which the wood was obtained die? Round your answer to the nearest year. Hint: the decay constant k for carbon 14 is equal to 0.00012.
__________ years

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