Posted by **victoria** on Tuesday, March 11, 2014 at 2:00am.

5 x 3^n

a)15,30,45,60

b)5,15,45,135

c)0,15,45,135

d)15,45,135,405

- math -
**Steve**, Tuesday, March 11, 2014 at 5:03am
3^n: 1,3,9,27

so, which is 5 times that?

Hint: only one sequence starts with 5

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