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mayabam
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The halflife of a certain radioactive material is 37 days. An initial amount of the material has a mass of 477 kg. Write an exponential function that models the decay of this material. Find how much radioactive material remains after 6 days. Round your answer to the nearest thousandth.
It's multiple choice but in not sure how to type in the answers..
 one year ago
 one year ago
mayabam Group Title
The halflife of a certain radioactive material is 37 days. An initial amount of the material has a mass of 477 kg. Write an exponential function that models the decay of this material. Find how much radioactive material remains after 6 days. Round your answer to the nearest thousandth. It's multiple choice but in not sure how to type in the answers..
 one year ago
 one year ago

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keke1996 Group TitleBest ResponseYou've already chosen the best response.0
a) b) c) d)
 one year ago

keke1996 Group TitleBest ResponseYou've already chosen the best response.0
i have to have them to help you
 one year ago

mayabam Group TitleBest ResponseYou've already chosen the best response.0
A. \[y= 477 (1/2)^37x ; 0 kg \] Its ^37x Thats all sopposed to be small but i dont know how to do that. B. \[y=477(1/2)^1/37x ; 426.288kg\] Again its ^1/37 x all small C. \[y=2 (1/477)^1/37x ; 0.736 kg\] Same again. ^1/37x D. \[y=1/2 (1/477)^1/37x ;0.184kg\] ^1/37x All supposed to be small. Like part of the exponent.
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
i would use \[477\times \left(\frac{1}{2}\right)^{\frac{t}{37}}\]
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
to answer the second part, replace \(t\) by \(6\) and use a calculator
 one year ago

mayabam Group TitleBest ResponseYou've already chosen the best response.0
Thanks! (:
 one year ago
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