esmeraldagodoy esmeraldagodoy

14-09-2020
Mathematics

contestada

Find the S20 of this series
2, 6, 18,..

Respuesta :

salmffg2 salmffg2

14-09-2020

Multiply it by 3 until you get it

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Cytokine Cytokine

14-09-2020

The first term in our sequence = 2

The common ratio = 6 / 2 = 3

n = the term we want to find.

2 * (3)^(n - 1)

2 * (3)^(20 - 1)

2 * (3)^(19)

2 * 1162261467

2324522934 is the 20th number in the series.

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