Chemistry, 05.11.2020 17:00, hdhdhd49jdhd

The ratio of carbon-14 to carbon-12 in a piece of charcoal from a fire pit in an archaeological excavation is found to be 12.5% of that in a sample of modern wood. Approximately how old is the site? (Carbon-14 half-life is 5730 years.) Answer as a whole number with no units.

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The ratio of carbon-14 to carbon-12 in a piece of charcoal from a fire pit in an archaeological exca...