选择题

2000 AMC 8 Problem 9: Cross-Number Powers

Three-digit powers of 2 and 5 are used in a cross-number puzzle. Across 2 is 2^m and Down 1 is 5^n. What is the only possible digit for the outlined square?

A.
0
B.
2
C.
4
D.
6
E.
8