Question
Bismuth-210 has a half-life of 5.0 days.
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A sample originally has a mass of 800 mg. Find a formula for the mass remaining after t days.
y(t) = `800e^(-ln(2)/5 t)`
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Find the mass remaining after days.
mg
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When is the mass reduced to 1 mg?
days
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Sketch the graph of the mass function. (Do this on paper. Your teacher may ask you to turn in this work.)