Question
An Anthropologist finds bones that her Instruments measure it as 0.921% of the amount of carbon- 14 the bones would have contained when the person was alive. How long ago did the person die?
The half life, t 1/2, carbon 14 is 5,730 years. Round To the nearest thousands
The half life, t 1/2, carbon 14 is 5,730 years. Round To the nearest thousands
Answers
Reiny
1(1/2)^(t/5730) = .921
.5^(t/5730) = .921
take log of both sides and use log rules ...
(t/5730) log .5 = log .921
take over
.5^(t/5730) = .921
take log of both sides and use log rules ...
(t/5730) log .5 = log .921
take over
Amy
I Need The Answer What The Answer