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Math problem help find the sum of the infinite geometric series if it exists 80 plus 40 plus 20?
Wiki User
∙ 13y ago
160... I think.
The series is 80+40+20+10+5+2.5+............
(Given the series is infinite it never ends but it gets pretty close to 160)
= 159.99999999... ad infinitum
[For future reference... series like this are basically equal to 2*the highest value e.g. 2*80=160]
Wiki User
∙ 13y ago
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