Question

Classify the following set of numbers by determining which of the options is true.

3, 1, 1/3
, 1/9
, 1/27
, . . .

Option #1: The set is an arithmetic sequence.

Option #2: The set is a geometric sequence.

Option #3: The set is some other type of sequence.

Option #4: The set is not a sequence.

(1 point)

Answer 1

Option #2. It's a geometric sequence with common ratio 1/3 (each term is the previous term multiplied by 1/3).