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A cave with beautiful prehistoric wall paintings were discovered. Some charcoal found in the cave contained 20% of the? 14^C expected in living trees?. How

A cave with beautiful prehistoric wall paintings were discovered. Some charcoal found in the cave contained 20% of the? 14^C expected in living trees?. How old are the K paintings?? (The decay constant for? 14^C is .00012)The cave paintings are _ years old?

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A cave with beautiful prehistoric wall paintings was discovered. Some charcoal found in the cave contained 20% of the 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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