Question

.

Answer 1

use geometric series formula

Answer 2

http://www.regentsprep.org/Regents/math/algtrig/ATP2/ArithG12.gif

Answer 3

I did the whole process for this but wound up getting a different answer than what was in the options.

Answer 4

Okay,

whats your first term ?
whats your common ratio ?

Answer 5

first term is -4
common ratio is -6

Answer 6

thats right !

Answer 7

check it with wolfram :
http://www.wolframalpha.com/input/?i=-4%281-%28-6%29%5E8%29%2F%281-%28-6%29%29

Answer 8

Did you also get `959780` ?

Answer 9

Well I got 3839122.28571 but I probably messed up doing all of the steps on paper:,)lol That's a cool website!