Given that a radioactive material decays in such way that after t year the amount left is given by grams, how grams will remain after 2000 years? (Round your answer to the nearest tenth of a gram.)

Question

Given that a radioactive material decays in such way that after t year the amount left is given by  grams, how grams will remain after 2000 years? (Round your answer to the nearest tenth of a gram.)

anonymous · Answer

you've left out part of the problem

anonymous · Answer

attachment

anonymous · Answer

that's blank.  can you just type it?

anonymous · Answer

A(t)=200e^-o.ooo25t

anonymous · Answer

OK, so, all you do is plug t=2000 into that equation and compute the result.

anonymous · Answer

ok, i got 329.74

anonymous · Answer

329.7

anonymous · Answer

i got a different answer, how did you compute it?

anonymous · Answer

i used .5 and not -.5. i now have 121.3