For each of the following sequences of numbers:

a. determine whether the sequence is an addition pattern, a multiplication pattern, or neither.
b. write a rule that gives a method for determining subsequent terms in the sequence. explain what each part of the pattern rule represents.
c. give the next term in the sequence.
d. give the 10th term in the sequence.

sequence #1:

8, 13, 18, 23, 28, …

sequence #2:

2, 6, 18, 54, 162, …

sequence #3:

800, 400, 200, 100, 50,