Question the ratio of 14c to 12c in living organisms is, Ask an Expert

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Question: The ratio of 14C to 12C in living organisms is 1.3E^-12. The fossilized remains of an organism are discovered and the ratio of 14C to 12C in the fossil is measured to be 2.35E-13.

Part A: How long ago, in years was the organism alive? (The half life of 14C is 5,730 years.)

If possible just a brief explanation how you got the answer? Thank you.

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