"Compute (B^T)(C) and multiply the result by A on the right" 1. The problem statement, all variables and given/known data I have three 3x1 matrices A, B, and C. First I have to multiply (AB^T)C. I understand the result is a 3x1 matrix (I think). Next the question says "Compute (B^T)C and multiply the result by A on the right. (Hint: (B^T)C is 1x1). The last question is "Explain why (AB^T)C = ((B^T)C)A. 2. Relevant equations 3. The attempt at a solution I don't understand the second question. Does "multiply the result by A on the right" mean ((B^T)C)A or A((B^T)C)? Because I find that the former is not defined but the latter is. But then I got confused because of the last question. Can anyone clarify this for me? I'd appreciate it, thanks.