SOLUTION: How long would it take to double your principal in an account that pays 6.5% annual intrest compounded continuously?

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Question 857872: How long would it take to double your principal in an account that pays 6.5% annual intrest compounded continuously?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How long would it take to double your principal in an account that pays 6.5% annual intrest compounded continuously?
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FV+=+2%2APV+=+PV%2Ae%5E%28rt%29
e%5E%28rt%29+=+2
e%5E0.065t+=+2
0.065t = ln(2)
t = ln(2)/0.065
t =~ 10.6638 years