11.find the sum of the 1st 200 term of the goemetric sequence 9,-9,9,-9, a. 1,800, b. -1,800, c. 9, d. 0, 12.find the sum of the 1st 8 term of 5, 10, 20,…?, a. 540, b. 640, c. 740, d. 940, 13.what is the sum of the first 9 terms of 2, -6, 18, -54,…?, a. 10,122, b. -12,122, c. 13,122, d. -14,122, 14.what is the sum of infinity of 1/2, 1/6, 1/18?, a. 3/4, b. 1/2, c. 1/10, d. 1/4, 15.which of the following geometric series?, a. 4, 8, 16, 32, b. 8, 4, 2, 1, c. 1, 2, 4, 8, d. 1, 4, 16…

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11.find the sum of the 1st 200 term of the goemetric sequence 9,-9,9,-9


a. 1,800
b. -1,800
c. 9
d. 0

12.find the sum of the 1st 8 term of 5, 10, 20,…?
a. 540
b. 640
c. 740
d. 940

13.what is the sum of the first 9 terms of 2, -6, 18, -54,…?
a. 10,122
b. -12,122
c. 13,122
d. -14,122

14.what is the sum of infinity of 1/2, 1/6, 1/18?
a. 3/4
b. 1/2
c. 1/10
d. 1/4

15.which of the following geometric series?
a. 4, 8, 16, 32
b. 8, 4, 2, 1
c. 1, 2, 4, 8
d. 1, 4, 16…​

Answer:

1.c

2.a

3.a

4.a

5.a

Step-by-step explanation:

hope it helps

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