Question

The 11th term of the geometric series $\displaystyle\sum^{20}_{r=0}2\times(-2)^r$ is equal to

• A. -4096
• B. 1024
• C. 2048
• D. 1048
• E. -2024

Answer 1

Answer: (C)

2048

Answer 2

The correct option is (C) : 2048