The process of multiplying a matrix with a scalar is simple:
you multiply every position in the matrix with this scalar.
For a 3x3 matrix, it will look like this:

or, to come with a more concrete example:

In this exercise, your job is to fill the right-most matrix. Look at the highlighted position
on the matrix and click on which one of the three possible solutions belongs there. The faster
you do this and the less mistakes you make, the higher your score will become.
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