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Mathematics 9 Online
OpenStudy (anonymous):

Write an expression for the general or nth term, an, for the geometric sequence. 1, -4, 16, -64, . . . A. an = 1 • (-4)n-1 B. an = 1 • (-4)n C. an = 1 • 4n-1 D. an = -1 • 4n

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