Asked by Ella
Find the number of terms in the geometric series 5+.15+...+3645
Answers
Answered by
mathhelper
This makes no sense.
Looking at your first two terms, the common ratio is .15/5 = .03
so the terms would be getting smaller quite rapidly.
No way a term can be 3645
Is there a missing decimal somewhere??
Looking at your first two terms, the common ratio is .15/5 = .03
so the terms would be getting smaller quite rapidly.
No way a term can be 3645
Is there a missing decimal somewhere??
Answered by
oobleck
I suspect that .15 is supposed to be 15, since 15/5 = 3 and 3645/5 = 729 = 3^6
so there are 7 terms
so there are 7 terms
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