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Points: A cave with beautiful prehistoric wall paintings was discovered. Some charcoal found in the cave contained 15% of the 14 C expected in

Points: A cave with beautiful prehistoric wall paintings was discovered. Some charcoal found in the cave contained 15% of the 14 C expected in living trees. How old are the cave paintings? (The decay constant for 14C is .00012.) The cave paintings are years old. (Round to the nearest year as needed.)

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