December 1, 2015

Homework Help: MATH

Posted by allison on Sunday, April 24, 2011 at 12:13am.

2, -4, 8,...

The first term of the sequence above is 2, and every term after he first term is -2 times the preceding term. How many of the first 50 terms of this sequence are less than 100?

(A) 22
(B) 25
(C) 28
(D) 30
(E) 37

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