Question

Find an explicit rule for the nth term of the sequence.
1, 3, 9, 27, ...

Answer 1

1 = 3^(1-1)
3 = 3^(2-1)
9 = 3^(3-1)
27 = 3^(4-1)
...
...
so on
what do u think about that ?

Answer 2

so basically my equation would look like:
\[a _{n} = 3 \times 1^{n-1}\] ?

Answer 3

Oh okay. Thank you!!

Answer 4

you're welcome