SOLUTION: PLEASE HELP ME: The amount of a radioactive tracer remaining after t days is given by A=Ao e^-0.18t where Ao is the starting amount at the beginning of the time period. How much s

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Question 55177: PLEASE HELP ME:
The amount of a radioactive tracer remaining after t days is given by A=Ao e^-0.18t where Ao is the starting amount at the beginning of the time period. How much should be acquired now to have 40 grams remaining after 3 days?

Answer by funmath(2933)   (Show Source): You can put this solution on YOUR website!
The amount of a radioactive tracer remaining after t days is given by where Ao is the starting amount at the beginning of the time period. How much should be acquired now to have 40 grams remaining after 3 days?
A=40
t=3
We're solving for Ao.


Scientific Calculator required for that.


Round off to whatever your teacher asks for.
Happy Calculating!!!

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