hi im really stuck...

3. which explains why the sequence 81,3,1/9....... is arithmric or geometric

A. the sequence is arithmic because it decreases by a factor of 1/27

B. the sequence is geometric because it dereases by a factor of 1/27

C. the sequence is arithmeric because it decreases by a factor of 3

D. the sequence is geometric because it decreases by a factor of 3

1 answer

3 / 81 = 3 / 3 ∙ 27 = 1 / 27

( 1 / 9 ) / 3 = 1 / 27

Answer B.

The sequence is geometric because it decreases by a factor of 1 / 27