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bonufazy [111]
3 years ago
5

PLZ HELP!

Mathematics
2 answers:
ziro4ka [17]3 years ago
7 0
The correct answer would be D.
WITCHER [35]3 years ago
6 0

Answer:

D

Step-by-step explanation:

The equation for the sequence turns out to be 2(3^{n-1}) where n is the nth.

Plugging in 19 you get 2(3^{18}), or  774,840,978

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Vera_Pavlovna [14]

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NikAS [45]

Answer:

I believe the answer would be 21.

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