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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Write an equation of the polynomial function p having only roots -4,-2,1, and 3 and with given characteristics. There are several possible solutions.
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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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The town had the population of 60,000 in 2000 and 70,000 in 2010. Determine the exponential function which will forecast the populations as the function of number of years since 2000.
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