document.write( "Question 1100951: The area covered by a marsh, A, starts at 160 acres. Each year for n years 1/5 of the marsh vanishes. Write a formula for A = f(n). \r
\n" ); document.write( "\n" ); document.write( "I got 160(1/5)^n but for some reason it says its wrong
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Algebra.Com's Answer #715510 by stanbon(75887)\"\" \"About 
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The area covered by a marsh, A, starts at 160 acres. Each year for n years 1/5 of the marsh vanishes. Write a formula for A = f(n).
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\n" ); document.write( "year 1 :: 160 acres
\n" ); document.write( "year 2 :: 160(4/5) acres
\n" ); document.write( "year 3 :: 160(4/5)^2 acres
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\n" ); document.write( "year n :: 160(4/5)^(n-1) acres
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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