C because i just took de test
Answer:
3) 10
Step-by-step explanation:
Terms are numbered starting with 1. The third term of the sequence is 10.
Step-by-step explanation:

Where Z is set of integer.
Yes, because 54 is divisible by 3
I would really really appreciate it if you marked me as brainliest ☆〜(ゝ。∂)