bellapom8 bellapom8
  • 24-01-2021
  • Mathematics
contestada

Write an explicit formula for An, the nth term of the sequence 3,9, 27, ...

Respuesta :

sufianbaloch4
sufianbaloch4 sufianbaloch4
  • 24-01-2021

Step-by-step explanation:

Apparently the common ratio is

3

Explanation:

The 2nd term is 3

the 3rd=9=3²

the 4th= 27=3³

To get to the n

th term we will have to multiply n−1

times by 3

Or: tn=3n−1

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