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3 votes
Find the sum of the first n terms.

100+50+25+... (8 terms)
(round to nearest hundredth)

Formula: a-a*r^n/1-r

1 Answer

1 vote
S(8)=((100×(1−(50÷100)^(8))÷(1−50÷100)))
=199.22
User Maidi
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