Given two vectors A⃗ = 4i + 7j and B⃗ = 5i − 2j , find the vector product A⃗ × B⃗ (expressed in unit vectors).
Express your answer in terms of the unit vectors i, j, and k.
The Attempt at a Solution
I know how to cross and multiply them but they don't give the z component so I assumed it was zero
This is what I got
0i + 0j - 43k
Why is that wrong ?, I'm doing this online assignment and it keeps telling me, "The correct answer does not depend on i,j and k"