GMAT question - symantic problem?

[Misfire]

This was in a GMAT book, and I think the wording is a little ambiguous. I can see how to get two answers depending on how I read it. Thoughts?

Entries in a particular lottery game are made up of three digits, each 0 through 9. If the order of digits in the entries matters, how many different possible entries exist in which all three digits are not equal?

[ ]516
[ ]720
[ ]989
[ ]990
[ ]1321