SOLUTION: Please help me solve this question 2. The rate of decay of a radioactive substance is 0.1% per year. (a) Find the half-life of the substance. (b) How long would it take until on

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Please help me solve this question 2. The rate of decay of a radioactive substance is 0.1% per year. (a) Find the half-life of the substance. (b) How long would it take until on      Log On


   



Question 1048578: Please help me solve this question
2. The rate of decay of a radioactive substance is 0.1% per year.
(a) Find the half-life of the substance.
(b) How long would it take until only 1/2 of the amount remains?
(c) How long would it take until 2/3 of the original amount decays?
(d) How much of the 10 mg sample of the substance will remain after
5,000 years?

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
This demonstration and lesson should be all the help you need:
exponential decay - a video lesson