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Problem
2. Find the sum of the first six terms of a geometric sequence whos first term is 2 and common ratio of -. $-$ A. $\dfrac {1234} {4567}$ $1330$ C. $3990$ B. $\dfrac {1330} {243}$ D. $729$ $\dfrac {760} {4551}$ $3$ Find the sum of the first five terms of the geometric sequence $9,$ ... $A$ C. $\dfrac {11} {4}$ $\dfrac {211} {4}$ $\dfrac {4} {11}$ $\dfrac {4} {211}$ B. D. $4.1$ Find the sum of the first five terms of the geometric sequen $32,$ $128$ ... $A$ $243$ C. $679$ B. $682$ D. $743$