SOLUTION: Suppose $4,200 is invested in an account at an annual interest rate of 6.5% compounded continuously. How long (to the nearest tenth of a year) will it take the investment to double

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Question 849958: Suppose $4,200 is invested in an account at an annual interest rate of 6.5% compounded continuously. How long (to the nearest tenth of a year) will it take the investment to double in size?
Answer by Fombitz(32388) About Me  (Show Source):