Solved: Strontium-90 has a half-life of 28 days. (a) A sample has a mass of 50 mg
Chapter 7, Problem 8(choose chapter or problem)
Strontium-90 has a half-life of 28 days. (a) A sample has a mass of 50 mg initially. Find a formula for the mass remaining after days. (b) Find the mass remaining after 40 days. (c) How long does it take the sample to decay to a mass of 2 mg? (d) Sketch the graph of the mass function.
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