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\(3^7[(3^{-4}+3^{-5})+(3^{-5}+3^{-6})+(3^{-6}+3^{-7}) -3^{-7} ]\) is what multiple of \(17?\)
A) 1
B) 2
C) 3
D) 4
E) 11
Answer: C
Source: e-GMAT
A) 1
B) 2
C) 3
D) 4
E) 11
Answer: C
Source: e-GMAT
