It is the sum of the first 12 terms of the sequence 36, 72, 144, 288.*
a. 147, 455
b. 147, 456
c. 147, 457
d. 147, 458
e. none of these
Determine the sum of the first 15 terms of the geometric sequence 5, 10, 20, 40.
a. 163, 840
b. 163, 850
c. 163, 860
d. 163, 870
e. none of these
Answers & Comments
✏️ANSWER
It is the sum of the first 12 terms of the sequence 36, 72, 144, 288.*
c. 147, 457
Determine the sum of the first 15 terms of the geometric sequence 5, 10, 20, 40.
a. 163, 840
✏️HOPE ITS HELP
Answer:
b. 147, 456
a. 163, 840
Step-by-step explanation:
36, 72, 144, 288, 576, 1152, 2304, 4608, 9216, 18432, 36864, 73728, 147456
5, 10, 20, 30, 80, 160, 320, 640, 1280, 2560, 5120, 10240, 20480, 40960, 81920, 163840