WHAT MULTIPLICATION FACT CAN BE FOUND BY USING THE ARRAYS FOR 2X9 AND 5X9?

2 answers

A 2 x 9 array can be multiplied by a 9 x 5 array, and will result in a 2 x 5 array.

I am talking about matrix multiplication, but that may not be what your question is about.
what multiplication fact can be found by using the arrays for 2x9 and 5x9?