anonymous
  • anonymous
Suppose the amount of a radioactive element remaining in a sample of 100 milligrams after X years can be described by A(x) = 100e^-0.018x. How much is remaining after 294 years? Round the answer to the nearest hundredth of a milligram.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
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anonymous
  • anonymous
Just plug x=294 into your equation.
anonymous
  • anonymous
what is the e?
anonymous
  • anonymous
http://en.wikipedia.org/wiki/E_%28mathematical_constant%29

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anonymous
  • anonymous
after finding x i get 100e^-5.292
anonymous
  • anonymous
Finding x? x=294
anonymous
  • anonymous
i multiplied 294 or x by -0.018x and got -5.292. i now have 100e^-5.292. now what
anonymous
  • anonymous
Put that into a calculator.
anonymous
  • anonymous
ok. i got .5 (rounder). correct?
anonymous
  • anonymous
Yep.
anonymous
  • anonymous
okidoki. thanks. medal

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