SOLUTION: How would you answer 3B and the matrices for B is -5,12 0,3

Question 217173: How would you answer 3B and the matrices for B is -5,12
0,3
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
To compute 3B, simply multiply every entry in the matrix B by 3.

In other words,

So
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