







Omega 1 
20090603 

From Justin: Hello there, I was just wondering if the infinity in the extended
real number system is the same as w1 (or Omega 1, the order
structure of the real numbers) in the transfinite ordinals? Thanks
so much for your help with this question, I really appreciate it!
Sincerely,
Justin Answered by Robert Dawson and Harley Weston. 





Positive real infinity and Alephnull 
20090409 

From Justin: Hello, I was just wondering why does the positive real infinity correspond to Alephnull? Thanks a lot for answering my question!
Justin Answered by Ami and Robert Dawson. 





Metric conversion 
20061008 

From Eve: 45.6 microliter to megaliter? Answered by Stephen La Rocque. 





How to find the odds for a lottery jackpot 
20060412 

From Harvey: Is it best to use factorials to calculate the odds of winning a lottery, such as the MegaMillions that is popular in the US, or is there a better way? Answered by Stephen La Rocque. 





A metric prefix table 
20040307 

From April: Can you tell me what the scale is for nano, micro, mega, kilo, etc.... I know that mega is 10 to the sixth power but I can't remember the other ones. Answered by Penny Nom. 

