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Find the sum of the first n terms. 100+50+25+... (8 terms) (round to nearest hundredth) Formula: a-a*r^n/1-r

Find the sum of the first n terms. 100+50+25+... (8 terms) (round to nearest hundredth) Formula: a-a*r^n/1-r
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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

asked
User Herlandro Hermogenes
by
8.2k points

1 Answer

1 vote
S(8)=((100×(1−(50÷100)^(8))÷(1−50÷100)))
=199.22
answered
User Maidi
by
7.8k points
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