Problem:
Two hundred thousand times two hundred thousand equals
Answer Choices:
A. four hundred thousand
B. four million
C. forty thousand
D. four hundred million
E. forty billion
Solution:
Using arithmetic notation
Using scientific notation billion.
Two hundred times two hundred is forty thousand. A thousand thousands is a million. The answer is forty thousand millions, or forty billion.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions