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Category > Calculus Posted 18 Aug 2017 My Price 6.00

The half-life of a certain isotope is 8989 years.

The half-life of a certain isotope is 8989 years. 

a. Given an initial amount of AA grams of this isotope, at t=0, find an exponential decay model, A(t)=AektA(that gives the amount of the isotope at time t, t>0 Round your k value to 3 decimal places.

A(t)=

 

b. Use the function you found in part aa to calculate the time required for the isotope to decay to 15A15A. Round to 3 decimal places.

 years

 

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SophiaPretty
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Status NEW Posted 18 Aug 2017 06:08 AM My Price 6.00

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