AP Calculus
An Initial amount of 100 grams of Thorium234 decays according to the model: dP/dt=0.02828P (where t is measured in years).
a) Find the equation for the amount of Thorium left after t years.
b) Determine the halflife of this radioactive isotope
c) How long will it take for the sample to reduce to 25 grams?
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