A cave with beautiful prehistoric wall paintings was discovered. Some charcoal found in the cave contained 21% of the 14C expected in living trees. How old are the cave paintings? (The decay constant for 14C is .00012.) The cave paintings are years old.
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Step 1: Given that the final concentration of C-14 in the charcoal found in the cave is 21% of the expected concentration in living trees. Show more…
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