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2004 Paper 2 Question 10a - HSN forum

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2004 Paper 2 Question 10a


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#1 gary

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Posted 02 May 2005 - 05:59 PM

The answer to this question is 4433 years.

The way to get this I think is 600/e^2 as I can't think of any other way but I keep getting the wrong answer on my calculator any ideas to what I am doing wrong?

#2 Dave

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Posted 02 May 2005 - 06:49 PM

multiple dont divide

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#3 coca

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Posted 02 May 2005 - 06:52 PM

600 = Ae^-2 = A/(e^2)

A = 600/(e^-2) = 600 * (e^2) = 4433.4

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