Compound Interest (Finite Number of Calculations) - Problem 4 900 views
Be sure to correctly place the initial investment, P, and amount after time, A, as you set up your equation. From there, keep as many decimal places as possible when doing the log (or, even better, use exact form) as you isolate the "r." Remember to write your final interest rate as a decimal. If you get struck, try writing your function in log form rather than exponential form.
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