Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first 11 terms of the geometric sequence: -7, -14, -28, -56, -112, . . . .

A. -14,292
B. -14,329
C. -14,327
D. -14,349


Answer: B

Mathematics

You might also like to view...

Find the perimeter. Use 3.14 for ?.

A. 27.7 m B. 43.4 m C. 21.7 m D. 37.4 m

Mathematics

Find the differential of the function. ? 

A.
B.
C.
D.

Mathematics

Write as a number.Round 12,470 to thousands.

A. 22,000 B. 12,000 C. 13,000 D. 12,100

Mathematics

Decide whether the matrices are inverses of each other. (Check to see if their product is the identity matrix I.)  and  

A. Yes B. No

Mathematics