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30-06-2016
Mathematics

contestada

What is the sum of the first 7 terms of this geometric sequence? 3, 9, 27, 81,
a. 3279
b. 2187
c. 729
d. 243

Respuesta :

giuseppinah300 giuseppinah300

02-07-2016

A. 3279 because the first 7 terms are 3,9,27,81,243,729,2187

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