Respuesta :

endrovergonza1

Answer:

^geometric sequence^

YES, it belongs to a geometric sequence because it has a ratio. and how to find ratio is:

a2 : a1

=9 : 3= 3

or a3 : a2

=27 : 9= 3

or a4 : a3

= 81 : 27= 3

so, the anwer is yes;3 (b)

FINALLY FOUND, MODERATOR!!

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