sample of 600g of radioactive​ lead-210 decays to​ polonium-210 according to the function A(t)=600e−0.032t​,where t is time in years. Find the amount of radioactive lead remaining after ​(a)4​yr, ​(b)8​yr, ​(c)20yr. ​(d) Find the​ half-life.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
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...
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A sample of 600g of radioactive​ lead-210 decays to​ polonium-210 according to the function A(t)=600e−0.032t​,where t is time in years. Find the amount of radioactive lead remaining after ​(a)4​yr, ​(b)8​yr, ​(c)20yr. ​(d) Find the​ half-life.

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