Question 287308
#287308
18, -6, 2, -2/3 need to solve for 10th sequence
I see a pattern of this sequence. The pattern is that each number is multiplied by -1/3. 
Here is the sequence of all 10 numbers in this sequence when you multiply by -1/3.
18, -6, 2, -2/3, 2/9, -2/27, 2/81, -2/243,2/729, -2/2187
The 10th number in this sequence is -2/2187