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The half-life of Polonium-210 is 140 days. Suppose a sample of this substance has a mass of 300 mg. find a formula for the quantity,
The half-life of Polonium-210 is 140 days. Suppose a sample of this substance has a mass of 300 mg.
find a formula for the quantity, q, of the sample remaining after time t.
How long will it take for the sample to decay to a mass of 200 mg?
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