Write the first four terms of the geometric sequence whose first term and common ratio are given.a = -4; r = 5

A. -4, -20, -100, -500, . . .
B. -4, 20, -100, 500, . . .
C. -4, 1, 6, 11, . . .
D. -20, -100, -500, -2500, . . .


Answer: A

Mathematics

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