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The seventh term of the GP 16/9,-8/3,4,...is _ (A)-9/2 (B)81/4 (C)-22/3 (D)4/3

1 answer

a = 16/9
r = (-8/3) ÷(16/9)
= (-8/3)(9/16) = -3/2

term (7) = a r^6
= (16/9) (-3/2)^6
= (16/9)(729/64) = ...

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