Asked by student

Find A1 in a geometric series for which Sn=210, r=-2, and n=6?

Can someone lead me in the right direction?
Answered by Anonymous
Sn=A1(1-2^6)/1-2

you should get 10/3
Answered by hashid Assama
u dont know the naswe buddy
Answered by hashid Assama
its -10 buddy
Answered by Usbeck Hismanacoc
listen here buddy the anser is 10?3 oknokkkkook
Answered by mohama Zecernogen
listen all of u buddies!!!!! the answer to the question lies within ur heart ok so stop fighting love
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