kathrynnova kathrynnova

10-04-2020
Mathematics

contestada

Find the sum of the first 7 terms for the geometric series:
1/3+1+3+9+...

Respuesta :

wiitong0394703 wiitong0394703

16-04-2020

Answer:

364 1/3

Step-by-step explanation:

use formula

a(1-q^n)/(1-q)

1/3(1-3^7)/(-2)

= 2186/6

=364.333333333

or 364 1/3

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