Answer: A: 
Step-by-step explanation:
The square root of 3 is an irrational number. It is also known as Theodorus' constant, after Theodorus of Cyrene, who proved its irrationality.
It is 165 I hope this helps :)
Variables are like a substitute for a number
The next number would be 30,000 because the number is multiplying by 10 each times
3,000×10=30,000