Answer:
2 by 2
Step-by-step explanation:
The first matrix is 2 x 3; that is, it has 2 rows and 3 columns.
The second matrix is 3 x 2.
Following rules of matrix multiplication,
a 2 by 3 matrix multiplying a 3 by 2 matrix results in a product with the dimensions 2 by 2.
423
