document.write( "Question 971915: A principal of $4200 is invested at 8% interest, compounded annually. How much will the investment be worth after 9 years? Use the calculator provided and round your answer to the nearest dollar. \n" ); document.write( "
Algebra.Com's Answer #594331 by Boreal(15235)\"\" \"About 
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A=P{1+ r/t)}^nt t= compounding per year; nt= total compoundings\r
\n" ); document.write( "\n" ); document.write( "A=4200{1+.08)^9
\n" ); document.write( "=4200* (1.08^9)
\n" ); document.write( "=$8395.82
\n" ); document.write( "=$8396
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