SOLUTION: Hi I need help with this problem. Thanks
The half-life of lead is 22 yr. What is its decay rate?
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Question 251551: Hi I need help with this problem. Thanks
The half-life of lead is 22 yr. What is its decay rate?
Answer by MRperkins(300) (Show Source): You can put this solution on YOUR website!
ln(1/2)=22r <---take the natural log of both sides
r=-.0315 which shows a decay of .0003% or 3.15 * 10^-4 %
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