The age of an ancient artifact can be determined by the amount of radioactive carbon-14 remaining in it. If Do is the original amount of carbon-14 and D is the amount remaining, then the artifact's age A (in years) is given by A-8267 In Find the age of an object if the amount D of carbon-14 that remains in the object is 74% of the original amount Do. (Round your answer to the nearest whole number.) A = yr

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