document.write( "Question 114089: A deposit of $1000 is made into a fund with an annual interest rate of 10%. Find the time(in years) necessary for the investment to double if the interest is compounded continuously. \n" ); document.write( "
Algebra.Com's Answer #83025 by stanbon(75887)\"\" \"About 
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A deposit of $1000 is made into a fund with an annual interest rate of 10%. Find the time(in years) necessary for the investment to double if the interest is compounded continuously.
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\n" ); document.write( "2000 = 1000e^(0.10*t)
\n" ); document.write( "2 = e^(0.10t)
\n" ); document.write( "Take the natural log to get:
\n" ); document.write( "ln2 = 0.10t
\n" ); document.write( "t = [ln2]/0.10
\n" ); document.write( "t = 6.9 years
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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