1.4.13 Matrix transformations

condition: Find the product of matrices \( A B=C \), if \( A, B \) are given: \[ A\left(\begin{array}{ccc} -1 & 2 & 5 \\ 3 & 4 & 0 \end{array}\right), \quad B=\left(\begin{array}{cc} 10 & 3 \\ -2 & 4 \\ 1 & 8 \end{array}\right) \]