Question

Find the sum of the first 8 terms of the geometric series whose first term is 6 and whose second term is −3. would the ratio be -2?

Answer 1

What do you have to multipy 6 to get -3

Answer 2

6* -2 =-12
so -2 is not it

Answer 3

-1/2?

Answer 4

yep

Answer 5

255/64?
3.984?

Answer 6

I got 4.00781

Answer 7

I get 3.984375.

Answer 8

huh i hate to tell u this because you taught me how to do it but you are prolly not starting at the first term and going up

Answer 9

what is the answer in a fraction in simplest form?

Answer 10

imranmeah91...i think you used n=8 in the formula.

since the formula starts at n=0, the first 8 terms would be n=7.

Answer 11

after a little work, it looks like it would be 255/64

Answer 12

ok help me with this other one im going to put up alright thanks mate