Determine function which models mass remaining after t years
Half-life of radium-226 is 1600 years. Assume we have 27-mg sample.
b) Determine the function
m(t) = m0e-rt
which models mass remaining after t years.
(d) After how long will only 19 mg of sample remain?
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After three days sample of radon-222 has decayed to 58% of its original amount. How long will it take sample to decay to 30% of its original amount?
Half-life of radium-226 is 1600 years. Assume we have 27-mg sample. After how long will only 19 mg of sample remain?
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