Question

Find the sum of the first 9 terms in the following geometric series.

Do not round your answer.
64 + 32 + 16 + ...

Answer 1

127.75

Explanation:

Answer 2

127.75

Explanation:

The geometric series above has a rule of

a+(a/2)+(a/4)+(a/8)

and so forth until you get to 9 numeric values.

Therefore, the whole geometric series up to 9 term is:

64+32+16+8+4+2+1+0.5+0.25=127.75

1 2 3 4 5 6 7 8 9 Terms