In the geometric sequence -7, 21, -63, 189, . . ., what is the nth term an equal to? A. (-21) n-1
B. (-3) 7 n – 1
C. 10 n – 1
D. -7(-3) n – 1
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In the geometric sequence -7, 21, -63, 189, . . ., what is the nth term an equal to? A. (-21) n-1
B. (-3) 7 n – 1
C. 10 n – 1
D. -7(-3) n – 1
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Answer:
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