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12-10.
1. It is possible to multiply matrices by a constant. Homework Help ✎

1. If and , why is it natural to write N = 2M?

2. Find 10v if v = .

When vectors are in component form, matrix operations can be performed. With the addition of matrices, many problems with vectors can be solved. The same rules apply when multiplying a vector by a matrix as multiplying two matrices together.