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.?
a) 14C has a long half-life 5730 years. First calculate decay constant lambda, ...
This solution includes calculations for (a) and (b).