



 
Trish, we have two responses for you... Hi Trish, How about geometric series in finance. There is an example in the answer we gave to a previous question. There is another application of geometric series that arises in the leasing of a car. You can find an example on a University of Montana web site. On this same site there is another application of geometric series in the area of job creation and public policy. I hope this helps,
Hi Trish. You might consider square sequences and cubic sequences: 1^{2}, 2^{2}, 3^{2}, 4^{2}, ... and 1^{3}, 2^{3}, 3^{3}, 4^{3}... These are useful when considering areas and volumes. You might be interested in triangular numbers as well (or any size of this kind). The semiprime sequence is used in cryptography. A semiprime is a composite number that is the product of two prime number (or perhaps the square of one prime number). Stephen.  


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