Help me solve these problems. Thank you

HW Score: 74.65%, 13.44 of 18 ework: Lay 3.1 Introduction points eterminants points Points: 0 of 1 Save Compute the determinant by cofactor expansion. At each step, choose a row or column that st K 3 340 involves the least amount of computation. 8 7 0 -310 2 -4 9 8 1 4 0 0 0 0 4 2 43 0 8 3 340 7 0-310 2 -4 9 8 1 =[(Simplify your answer.) 4 0 0 0 0 4 2 43 0