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3 years ago

9

The first term of a geometric sequence is 3 and the multiplier, or ratio, is 5. what is the sum of the first 4 terms of the sequ

ence?

1 answer:

Aneli [31]3 years ago

4 0

S4 = 3 * (5^4 - 1)
----------
5 - 1
= 3 * 156
= 468

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