Question R1 Q5 - NSB Regional 2016

Matrices with which of the following pairs of dimensions cannot be multiplied together?

W) 3 rows, 2 columns times 2 rows, 3 columns

X) 6 rows, 5 columns times 6 rows, 5 columns

Y) 1 row, 2 columns times 2 rows, 2 columns

Z) 1,000 rows, 2,000 columns times 2,000 rows, 4,000 columns

Science Bowl Question