Question

7. Find S8 for the geometric series 256 + 64 + 16 + 4 +…
a. 357.62
b. 341. 33
c. 338. 25
d. 324.13



Find S8 for the geometric series 3 + -6 + 12 + -24 +…
a. -255
b. 768
c. -96
d. 192

9. Find the sum of the following infinite geometric series, if it exists.
60 + 84 + 117.6 + 164.64 +…
a. does not exist
b. 1456
c. 2467
d. 3672


10. Find the sum of the following infinite geometric series, if it exists.
3 + 9 + 27 + 54 +…
a.Does not exist
b. 35,897
c. 40,178
d. 44,845