Tuesday Teaser

My apologies to everyone who struggles with math as much as I do, but this was too fun to pass up! 

Enjoy!

Q: 
What is half of 8,
yet isn't 2 x 2,
0 also isn't
what I'm looking for from you.

 Got it yet?
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How about now?  ~wink~

..........


And the answer is.....

3. If you cut 8 in half down the middle vertically.