contestada

Select the explicit formula for the sequence that correspond to this geometric series: 6 + 18 + 54 + 162 + 486
ak = 6 • 3k – 1
ak = 3 • 6k – 1
ak = 6 • 3k
ak = 3 • 6k

Respuesta :

debsanders02m

Answer: ak=6•3k-1

Step-by-step explanation:

kcrawley2004

Answer:

1) A

2) B

3) 726

Step-by-step explanation:

just did this :))

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