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April 21, 2015

April 21, 2015

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

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

- MATH -
**Damon**, Sunday, April 24, 2011 at 4:27am2 -4 8 -16 32 -64 128 -256 ....

all negative terms are <100

plus the first three positive terms

so 25 + 3 = 28

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