Problem:
Which of the following numbers is largest?
Answer Choices:
A. 9.12344
B. 9.1234
C. 9.1234
D. 9.1234
E. 9.1234
Solution:
​(A)(B)(C)(D)(E)​​9.12344=9.12344000…9.1234=9.12344444…9.1234=9.12343434…9.1234=9.12342342…9.1234=9.12341234…​
Answer: B​.
The problems on this page are the property of the MAA's American Mathematics Competitions