n

5 x 3

- 15, 30, 45, 60
- 5, 15, 45, 135
- 0, 15, 45, 135 **
- 15, 45, 135, 405

Im just super confused about this question, i dont understant it, can someone explain it to me?

1 answer

write it as 5*3^n and you have

5*3^0 = 5*1 = 5
5*3^1 = 5*3 = 15
5*3^2 = 5*9 = 45
5*3^3 = 5*27 = 135

starts with 5, not 0