选择题
2007 AMC 8 Problem 18: Last Digits of a Product
The product of the two 99-digit numbers 303,030,303,...,030,303 and 505,050,505,...,050,505 has thousands digit A and units digit B. What is the sum of A and B?
A.
3
B.
5
C.
6
D.
8
E.
10