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Compound Interest In Exercises 17 and 18, determine the time necessary for $1000 to double if...

Compound Interest In Exercises 17 and 18, determine the time necessary for $1000 to double if it is invested at interest rate compounded (a) annually, (b) monthly, (c) daily, and (d) continuously

17. r = 11%

18. r = 10 1/2%

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