Nothing, you can't cross a vector and a scalar.
Nothing. You can't cross a vector with a scalar.
No one knows. You can't cross a vector and a scalar.
You can't cross a scalar and a vector.
Nothing! You can't cross scalars and vectors.
Nothing, you can't cross a vector by a scalar. EDIT: changed multiply to cross.
Trick question, you can't cross a vector and a scalar.
