An arithmetic sequence would have a common difference between successive terms, not the case here.
A geometric sequence has a common ratio; let's check:



That's a common ratio of 3 so as far as we can tell a geometric sequence.
Answer: geometric
Answer:
+ something 32
Step-by-step explanation:
1.

The base can't be negative, therefore
.
2.

3.

Answer:
11/15 7/10 4/5 2/3
Step-by-step explanation:
the bigger the fraction the smaller the number