Respuesta :

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Answer = 288

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Known

U1 = 9

r = 2

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Question

U6 = ?

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Way to do

[tex]un = a(r {)}^{n - 1} [/tex]

[tex]u6= 9(2 {)}^{6 - 1} [/tex]

[tex]u6 = 9( {2}^{5} )[/tex]

[tex]u6 = 9(32)[/tex]

[tex]u6 = 288[/tex]

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Notes

Formula of geometric sequence

[tex]\boxed{\ un = a( {r)}^{n - 1}} [/tex]

Meaning

Un = nth term

a = 1st term

r = ratio

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