Asked by Vince

Carbon-14 Dating.

Only 10% of the carbon-14 in a samll wooden bowl remains. How old is the bowl?

Half life of carbon is 5700 years.

Answered by Reiny
.1 = .5^(t/5700)
t/5700 = log .1/log .5
t = 18935
Answered by Sam
18936 years
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