Answer and Explanation
Your Answer is
Correct Answer is A
Explanation
The first is n, the second is an, the third is a²n, and the fourth is a³n, then 1000 is a999n.
Your Answer is
Correct Answer is A
Explanation
The first is n, the second is an, the third is a²n, and the fourth is a³n, then 1000 is a999n.