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OpenStudy (rainbow_dash):
What is the first term in a geometric series with ten terms, a common ratio of 0.5 and a sum of 511.5?
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hartnn (hartnn):
u have the sum formula from your last question, just plug in values
OpenStudy (rainbow_dash):
is the common ratio = n?
hartnn (hartnn):
n=10,r=0.65,S10=511.5
OpenStudy (rainbow_dash):
ohh n = number of terms okay. thanks :3
hartnn (hartnn):
yes.
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