16-04-2022
Mathematics

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Can someone help me with this easy math problem.

Can someone help me with this easy math problem class=

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LegendBrainly LegendBrainly

16-04-2022

It's a geometric sequence

common ratio=r=84/21=4
First term 1.3125

Formula:&

[tex]\\ \sf\longrightarrow a(n)[/tex]

[tex]\\ \sf\longrightarrow ar^{n-1}[/tex]

[tex]\\ \sf\longrightarrow 1.3125(4)^{n-1}[/tex]

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