Problem:
What is the value of this expression in decimal form?
1144​+44110​+110044​
Answer Choices:
A. 6.4
B. 6.504
C. 6.54
D. 6.9
E. 6.94
Solution:
We can simplify the fractions by taking out the common factor 11: 1144​ simplifies to 4, 44110​ simplifies to 410​=25​=2.5, and 110044​ simplifies to 1004​=0.04.
Therefore, we have 4+2.5+0.04=6.54.
Thus, C is the correct answer.
Answer: C​.
The problems on this page are the property of the MAA's American Mathematics Competitions