Which explains why the sequence 81, 3, 1/9, ... is arithmetic or geometric?
A. the sequence is arithmetic because it decreases by a factor of 1/27
B. the sequence is geometric because it decreases by a factor of 1/27
C. the sequence is arithmetic because it decreases by a factor of 3
D. the sequence is geometric because it decreases by a factor of 3
1 answer
B. the sequence is geometric because it decreases by a factor of 1/27.
1 answer