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anonymous
 one year ago
The halflife of a certain radioactive material is 32 days. An initial amount of the material has a mass of 361 kg. Write an exponential function that models the decay of this material. Find how much radioactive material remains after 5 days. Round your answer to the nearest thousandth.
anonymous
 one year ago
The halflife of a certain radioactive material is 32 days. An initial amount of the material has a mass of 361 kg. Write an exponential function that models the decay of this material. Find how much radioactive material remains after 5 days. Round your answer to the nearest thousandth.

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xapproachesinfinity
 one year ago
Best ResponseYou've already chosen the best response.1the decay function is always \(f(t)=A(\frac{1}{2})^{\frac{t}{k}}\)

xapproachesinfinity
 one year ago
Best ResponseYou've already chosen the best response.1A is the initial amount

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I think its \[y=361 \left(\begin{matrix}1 \\ 2\end{matrix}\right)^{\frac{ 1 }{ 32x }}\]

xapproachesinfinity
 one year ago
Best ResponseYou've already chosen the best response.1why x on bottom?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I couldnt figure out how to get it to the top right lol

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0well the middle of the 1/32

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1435862094502:dw

xapproachesinfinity
 one year ago
Best ResponseYou've already chosen the best response.1ok so your function is \(y=361(1/2)^{x/32}\)

xapproachesinfinity
 one year ago
Best ResponseYou've already chosen the best response.1ok good then

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thank you for double checking for me :)
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