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Compound Interest Formula. A = P (1 + r ) nt. n. A = Future value P = Present value, principal r = rate (%) n = number of times compounded in a year t = time in years. A = P (1 + r ) nt. n. Annually Semiannually Quarterly Bimonthly Monthly Weekly Daily*. n = 1 n = 2 n = 4
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Compound Interest Formula A = P (1 + r)nt n
A = Future value P = Present value, principal r = rate (%) n = number of times compounded in a year t = time in years A = P (1 + r)nt n
Annually Semiannually Quarterly Bimonthly Monthly Weekly Daily* n = 1 n = 2 n = 4 n = 6 n = 12 n = 52 n = 360* Compounding
A = P (1 + r)nt n You deposit $5,000 on an account that pays 4% interest compounded annually. Find the future value after 20 years.
A = P (1 + r)nt n You deposit $5,000 on an account that pays 4% interest compounded quarterly. Find the future value after 20 years.
A = P (1 + r)nt n You deposit $5,000 on an account that pays 4% interest compounded monthly. Find the future value after 20 years.
A = P (1 + r)nt n You deposit $7,000 on an account that pays 5.28% interest compounded semiannually. Find the future value after 10 years.
A = P (1 + r)nt n You deposit $10,000 on an account that pays 8% interest compounded weekly. Find the future value after 30 years.