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Mathematics 24 Online
OpenStudy (whiteduckling):

One math question about interest?? Annette opened a compound interest savings account with $7000 in principal and an interest rate of 2.5%. If interest is compounded annually, how much is in the account after 8 years? interest compounded quarterly: A = P (1 + r)t A. $8544.50 B. $8528.82 C.$1544.50 D.$1528.82

OpenStudy (anthonyym):

The information is all given. You just have to know which information stands for what in the formula. P is principal, the initial amount. It's $7000. r is rate. It's 2.5%, or 0.025 t is time. It's 8

OpenStudy (whiteduckling):

So 7000 (1+ 2.5%) 8???

OpenStudy (wolf1728):

Total = principal * (1+rate)^years Total = 7,000*(1.025)^8 Total =8528.8202825694 Total =8,528.82 rounded

OpenStudy (wolf1728):

WhiteDuckling 2.5 per cent when entered into the formula becomes .025

OpenStudy (whiteduckling):

Okay, thx. I gave you a medal

OpenStudy (wolf1728):

Okay and thanks :-)

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