Problem: 2.46×8.163×(5.17+4.829)2.46 \times 8.163 \times(5.17+4.829)2.46×8.163×(5.17+4.829) is closest to
Answer Choices:
A. 100100100 B. 200200200 C. 300300300 D. 400400400 E. 500500500
Solution:
The product is approximately (2.5)(8)(10)=(20)(10)=200(2.5)(8)(10)=(20)(10)=200(2.5)(8)(10)=(20)(10)=200.
Answer: B\boxed{B}B.
The problems on this page are the property of the MAA's American Mathematics Competitions