In the matrix, what is the value of t sub 32 ? cap t is equal to the 4 by 3 matrix, row 1, column 1, 2 column 2, 21 column 3, 9 row 2, column 1, 1 column 2, 0 column 3, 5 row 3, column 1, 16 column 2, 8 column 3, 4 row 4, column 1, 0 column 2, 32 column 3, 7