The set X consists of the following terms: {4,44,444,4444,.....), where the nth term has n 4's in it for example 10th term is 4444444444. what is the hundreds digit of the sum of the first 45 terms of set S?
A. 5
B. 3
C. 1
D. 6
E. 9![]()
A. 5
B. 3
C. 1
D. 6
E. 9