What is the probability of a 14c decay taking place in the, Ask an Expert

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What is the probability of a 14C decay taking place in the lungs during a single breath? The atmosphere is about 0.04% CO2, and in an average breath we inhale about 0.5 l of air and exhale it about 3.5 s later. The isotopic abundance of 14C is approximately 10-12.

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