Carbon-14 has a half-life of 5700 years. The charcoal from a tree killed in the volcanic eruption that formed Crater Lake in Oregon contained 59.5% of the carbon-14 found in living matter. Approximate the age of Crater Lake.

Question

Carbon-14 has a half-life of 5700 years.  The charcoal from a tree killed in the volcanic 	eruption that formed Crater Lake in Oregon contained 59.5% of the carbon-14 found in living matter. Approximate the age of Crater Lake.

bobpursley · Answer

.595=1.0 e^(.693t/5700) ln of each side.. ln (.595)=.693t/5700 solve for t in years.