DAY 2. Multiply the fourth matrix by the scalar 6 to get a fifth matrix E.
DAY 3. Add the fifth matrix to a matrix whose elements are all "2"'s to get a sixth matrix F. What is the sixth matrix?
DAY 4. You are told the password for your next assignment is the element F1,3. What is your password?
This shows how to perform operations, including multiplication, on matrices.