SOLUTION: Radioactive strontium-90 is used in nuclear reactors and decays exponentially with an annual rate of decay of 2.48%. How much pf 50 grams of strontium-90 will be left after 100 yea

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Radioactive strontium-90 is used in nuclear reactors and decays exponentially with an annual rate of decay of 2.48%. How much pf 50 grams of strontium-90 will be left after 100 yea      Log On


   



Question 133942: Radioactive strontium-90 is used in nuclear reactors and decays exponentially with an annual rate of decay of 2.48%. How much pf 50 grams of strontium-90 will be left after 100 years?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Radioactive strontium-90 is used in nuclear reactors and decays exponentially with an annual rate of decay of 2.48%. How much pf 50 grams of strontium-90 will be left after 100 years?
:
With a calculator use the equation:
A = 50((1-.0248)^100)
A = 4.05825 gr after 100 yrs