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28 October, 10:46

What is the sum of the first

of this geometric sequence?

-5, 10, 20, 40, ...

+1
Answers (2)
  1. 28 October, 10:50
    0
    minus 20
  2. 28 October, 10:58
    0
    The answer is 65.

    Step-by-step explanation:

    You add 40+20+10=70-5=65
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