Few questions about Zero:
1) What is 0! (1?)
2) What is 0^0 (non-existent?)
3) Is Zero positive, negative or neither (I would guess that last choice)
Yes 0! = 1
0^0 is cannot be determined.
Zero is neither positive nor negative
A few more: (Disclaimer: Use these @your own risk.
These are based on what I found from the web)
Zero is even
For any integer k, k^0 = 1
Zero is divisible by every integer (except 0), Since remainder of 0/k = 0
Zero is a multiple of every integer. 0 = k*0
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