Paris98 Paris98

13-04-2017
Mathematics

contestada

Find the sum of the first n terms.
100+50+25+... (8 terms)
(round to nearest hundredth)

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

Respuesta :

Aliwohaish12 Aliwohaish12

14-04-2017

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

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