A sample of 400g of radioactive lead-210 decays into polonium-210 according to the function A(t) = 400e-0.032t where t is in years a) find the amount of radioactive lead after 5 years b) find the half-life of lead-210
A sample of 400g of radioactive lead-210 decays into polonium-210 according to the function A(t) = 400e-0.032t where t is in years a) find the amount of radioactive lead after 5 years b) find the half-life of lead-210
Chapter5: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 28T: The half-life of radioactive actinium ( 227AC ) is 21.77 years. What percent of a present amount of...
Question
A sample of 400g of radioactive lead-210 decays into polonium-210 according to the function
A(t) = 400e-0.032t where t is in years
a) find the amount of radioactive lead after 5 years
b) find the half-life of lead-210
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