Bates Wang
04/14/2023 · Elementary School
A cave with beautiful prehistoric wall paintings was discovered. Some charcoal found in the cave contained \( 29 \% \) of the \( { }^{14} \mathrm{C} \) expected in living trees. How old are the cave paintings? (The decay constant for \( { }^{14} \mathrm{C} \) is .00012 .) The cave paintings are \( \square \) years old. (Round to the nearest year as needed.)
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The cave paintings are approximately 10,308 years old.
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