1.

\(1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{{16}} + \frac{1}{{32}} + \frac{1}{{64}}\)is approximately equal to _________.

A. 1.5
B. 2
C. 2.5
D. 3
Answer» C. 2.5


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