Jessica deposits $300 into a savings account that pays an annual interest rate of 2%, compounded twice a year. How much money will Jessica have in her account at the end of one year?
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OpenStudy (amistre64):
it pays 2% interest per year, but it does it in 2 installments; 1% and 1%, it compounds the first result into the second so you receive a little more in the end.
OpenStudy (anonymous):
i always forget this formula
is it 300( 1 + .01)^2 ?
OpenStudy (amistre64):
(300(1.01))(1.01) is what im seeing,
OpenStudy (anonymous):
yea
OpenStudy (amistre64):
A = P(1+r/2)^2
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OpenStudy (amistre64):
well, generically, which is what i meant to type:
A = P(1+r/n)^nt
where P = starting amount, r = rate, n=compounded cycle, and t = years
OpenStudy (anonymous):
yes - thats it - i have trouble remembering that one - id better make it into a mantra!!