An artifact has a carbon-14 decay rate of 953, Ask an Expert

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An artifact has a carbon-14 decay rate of 9.53 disintegrations per minute per gram of carbon (9.53 dis/minxgC). Living organisms have carbon-14 decay rate of 15.3 dis/minxgC. How old is the artifact? (The half-life of carbon-14 is 5730 yr.)

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