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SAT® Subject Test in Math 1 & 2

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Moderate

Sum of a Geometric Series

SATSTM-OW9FB1

Evaluate:

$$\sum_{n=1}^{25}{2{(1.2)}^{n-1}}$$

A

$-10$

B

$2012.4$

C

$739.1$

D

$944$

E

$1219.2$