The arithmetic mean of the nine numbers in the set \{9,99,999,9999, \ldots, 999999999\} is a 9 -digit number M, all of whose digits are distinct. The number M does not contain the digit
Answer Choices
A. 0
B. 2
C. 4
D. 6
E. 8
The arithmetic mean of the nine numbers in the set \{9,99,999,9999, \ldots, 999999999\} is a 9 -digit number M, all of whose digits are distinct. The number M does not contain the digit
Answer Choices
A. 0
B. 2
C. 4
D. 6
E. 8