Question

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

Answer 1

Formula = pn × 3

which means previous number × 3

Explanation:

`3 * 3 = 9 \\ 9 * 3 = 27 \\ 27 * 3 =81 \\ 81 * 3 = 243 \\ 243 * 3 = 729`