Sequences and series

Algebra
Tutor: None Selected Time limit: 1 Day

what is the sum of the first nine terms of the geometric series 1.2, -2.4,4.8 ....? 

May 19th, 2015


Sn=1.2(1-(-2^9)/1-(-2)

205.2

May 19th, 2015

I can use the geometric seqeuncing equations? 

May 19th, 2015

ofcourse

May 19th, 2015

GREAT! Thanks in class we used the werid looking E

May 19th, 2015

you welcome

May 19th, 2015

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May 19th, 2015
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May 19th, 2015
Dec 6th, 2016
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