document.write( "Question 1034183: You invest $20,000 in a retirement plan. The plan is expected to have an annual return of 12%. Write a rule for the amount of money available at the beginning of the nth year. What is the balance of the account at the beginning of the 20th year? \n" ); document.write( "
Algebra.Com's Answer #649061 by robertb(5830)\"\" \"About 
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At the beginning of the 20th year, 19 years have passed, and so, t = 19.\r
\n" ); document.write( "\n" ); document.write( "==> \"A+=+P%281%2Br%2Fn%29%5E%28nt%29\" ==> \"A+=+20000%281%2B0.12%2F1%29%5E%281%2A19%29+=+20000%2A1.12%5E19\"
\n" ); document.write( "= $172,255.23.
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