Question

help?:)

which of the following is the formula for the geometric sequece?

a. an=900(3)^n-1
b. an=33 1/3(3)^n-1
c.an=900(1/3)^n-1

Answer 1

900,300,100,33,1/3...

Answer 2

last one is dividing by 3 in succession

Answer 3

so c right?:)