substance decays 22% each day. After 7 days, there are 9 milligrams of substance remaining how many milligrams were there initially?
substance decays 22% each day. After 7 days, there are 9 milligrams of substance remaining how many milligrams were there initially?
Chapter10: Exponential And Logarithmic Functions
Section10.5: Solve Exponential And Logarithmic Equations
Problem 10.90TI: The half-life of radioactive iodine is 60 days. How much of a 50-mg sample will be left in 40 days?
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A substance decays 22% each day. After 7 days, there are 9 milligrams of substance remaining how many milligrams were there initially?
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