Problem:
What is the value of (625log52015)41?
Answer Choices:
A. 5
B. 42015
C. 625
D. 2015
E. 452015
Solution:
(625log52015)41=((54)log52015)41=(54log52015)41=(5log52015)4⋅41=2015
The problems on this page are the property of the MAA's American Mathematics Competitions