Problem:
The product 8×.25×2×.125=
Answer Choices:
A. 81​
B. 41​
C. 21​
D. 1
E. 2
Solution:
The product can be rewritten as 8×41​×2×81​=8×81​×41​×2=21​.
Answer: C​.
The problems on this page are the property of the MAA's American Mathematics Competitions