Problem:
Let n=82022. Which of the following is equal to 4n​?
Answer Choices:
A. 41010
B. 22022
C. 82018
D. 43031
E. 43032
Solution:
We have
n=82022=(832​)3033=43033
Therefore,
(E) 43032​
The problems on this page are the property of the MAA's American Mathematics Competitions