Carbon dating of small bits of charcoal used in cave paintings has determined that some
Chapter 0, Problem 5.49(choose chapter or problem)
Carbon dating of small bits of charcoal used in cave paintings has determined that some of the paintings are from 10 000 to 30 000 yr old. Carbon-14 has a half-life of 5730 yr. In a 1 \(\mu \mathrm{g}\)-sample of carbon from a live tree, the activity of carbon-14 is 6.4 \(\mu \mathrm{Ci}\). If researchers determine that 1 \(\mu \mathrm{g}\) of charcoal from a prehistoric cave painting in France has an activity of 0.80 \(\mu \mathrm{Ci}\), what is the age of the painting? (5.4)
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