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OpenStudy (anonymous):
Which of the following is the formula for the geometric sequence? 320, 80, 20, 5,...
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OpenStudy (anonymous):
hi again. This time, base case is 320, and each term is 1/4 of the previous term.
OpenStudy (anonymous):
an = 320(1/4)n-1 ???
OpenStudy (anonymous):
320(1/4)^(n-1)
OpenStudy (anonymous):
thank you again!:)
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