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Prehistoric cave paintings were discovered in a cave in France. The paint contained 28% of the original carbon-14. Use the exponential decay model for carbon-14,

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Prehistoric cave paintings were discovered in a cave in France. The paint contained 28% of the original carbon-14. Use the exponential decay model for carbon-14, A=Age -0.0001211 to estimate the age of the paintingsThe paintings are approximately years old. (Round to the nearest integer.)

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