document.write( "Question 1172736: Using daily compounding, calculate the compound amount (in $) of a $7,000 investment for each of the three CDs.\r
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document.write( "The First National Bank is offering a 5 year CD at 3% interest.
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document.write( "The Second National Bank is offering a 5 year CD at 4% interest.
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document.write( "The Third National Bank has a 5 year CD at 4.5% interest.\r
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document.write( "I used the formula A=P (1 + i/365)^n
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document.write( "I got 7065.31 and 7002.88 for the first national bank but they were marked wrong. Is there another formula I should follow?\r
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Algebra.Com's Answer #797856 by ikleyn(52787)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For daily compounding, the CORRECT formula is\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " A = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "where n is the number of years.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You used INCORRECT formula ---- THEREFORE, you need RE-CALCULATE everything, using the correct formula.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "See the lessons\r \n" ); document.write( "\n" ); document.write( " - Compound interest percentage problems \r \n" ); document.write( "\n" ); document.write( " - Problems on discretely compound accounts \r \n" ); document.write( "\n" ); document.write( "in this site, and learn the subject from there.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "After reading this lesson, you will tackle such problems on your own without asking for help from outside.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r \n" ); document.write( "\n" ); document.write( " - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The referred lesson is the part of this online textbook under the topic \"Logarithms\".\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-I \n" ); document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Happy learning (!)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |