For a chain letter with m levels, n new participants for each letter, and a price to participate of P , the payoff in rising from the bottom to the top of the letter is
The total number of people who must join for an individual to make it to the top of the list is
If a radioactive substance has an annual rate of decay of d and there are initially A 0 units of the substance present, then the amount of the radioactive substance present after m years will be: (This is the same formula as before except d is used in place of r and A is used in place of P )
If a radioactive substance has a half-life of h and A 0 units of the substance are initially present, then the units of the substance present after m years will be:
The tranquilizer Librium ® has a half-life of between 24 and 48 hours. What is the hourly rate at which Librium ® leaves the bloodstream as the drug is metabolized?
If a population has a natural growth rate of r from 0 to 3, and the environment has a carrying capacity of c , then after m + 1 breeding seasons, the population will be: (You will NOT use this formula in a problem. I just want you to have seen it.)
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