The half-life of carbon-14 is 5730 years. What percentage of carbon-14 remains in a sample after 12 half lives?
1 Answer
Jun 24, 2016
0.024%
Explanation:
The equation for half life is:
In which
From this you can deduce that:
#0.5^(t/(T))# = the fraction of C-14 left after a certain period of decay#t/T# is the number of half lifes that have passed
In the example