Asked by jeremy
A wooden artifact recovered from a tomb contains 29% of the carbon-14 that is present in living trees. The half life of carbon-14 is 5730 years. How long ago was the artifact made?
Answers
Answered by
Reiny
(1/2)^(t/5730) = .29
(.5)^(t/573) = .29
take logs of both sides and follow rules of logs to get
(t/5730)log.5 = log.29
t/5730 = log.29/log.5
t = appr 10,233 years
(.5)^(t/573) = .29
take logs of both sides and follow rules of logs to get
(t/5730)log.5 = log.29
t/5730 = log.29/log.5
t = appr 10,233 years