A fossil is found to have a 14c level of 67.0% compared to living organisms. how old is the fossil?

Question

Biology

Maddox Gardner

3 March, 16:24

A fossil is found to have a 14c level of 67.0% compared to living organisms. how old is the fossil?

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Toni · Answer 1

The half-life of carbon-14 is equal to 5730 years. The amount of substance with half-life h at any time t is equal to,

At = (Ao) x (1 - 0.5) ^ (t/h)

Substituting,

At/Ao = 0.67 = 0.5^ (t/5730)

The value of t from the equation is 3310.6 years.