# C-14 Dating

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A very old specimen of wood contains 10^12 atoms of carbon:

a) How many C-14 atoms did it contain in the year of 9474 B.C.?

b) How many C-14 atoms did it contain in 2004 A.D.?

https://brainmass.com/physics/half-life/c-dating-32599

#### Solution Preview

a) 14C has a long half-life 5730 years. First calculate decay constant lambda, ...

#### Solution Summary

This solution includes calculations for (a) and (b).

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