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Use the Formula For Sn\mathrm { S } _ { \mathbf { n } }

Question 115

Multiple Choice

Use the formula for Sn\mathrm { S } _ { \mathbf { n } } to find the sum of the first five terms of the geometric sequence.
- a1=1.499,r=1.678\mathrm { a } _ { 1 } = - 1.499 , \mathrm { r } = 1.678 (Round to the nearest hundredth)


A) 10.9910.99
B) 18.1518.15
C) 27.20- 27.20
D) 15.32- 15.32

Correct Answer:

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