|Ivars Peterson's MathTrek|
|1. A||2. A||3. B||4. B||5. A||6. B||7. B||8. C||9. D||10. C|
|1. negative||2. positive||3. positive|
"ZERO TIMES ANYTHING IS ZERO."
Comments are welcome. Please send messages to Ivars Peterson at email@example.com.
Ivars Peterson is the mathematics/computer writer and online editor at Science News (http://www.sciencenews.org). He is the author of The Mathematical Tourist, Islands of Truth, Newton's Clock, Fatal Defect, and The Jungles of Randomness. He also writes for the children's magazine Muse (http://www.musemag.com) and is working on a book about math and art.
NOW AVAILABLE: Math Trek: Adventures in the MathZone by Ivars Peterson and Nancy Henderson. For children ages 10 and up. New York: Wiley, 1999. ISBN 0-471-31570-2. $12.95 USA (paper).