SOLUTION: What is the Half life of carbon if it takes 11,400 years to decay to 25% of its original mass?
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Question 1070350: What is the Half life of carbon if it takes 11,400 years to decay to 25% of its original mass?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
What is the Half life of carbon if it takes 11,400 years to decay to 25% of its original mass?
:
Let initial amt = 1
then
.75 = the amt after 11400 yrs
:
let h = the half life of the substance
:
1*2^(-11400/h) = .25
*ln(2) = ln(.25)
=
= -.5
h = 11400 * .5
h = 5700 years is the half life
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