Mathematics, 25.10.2021 20:10 saniyaf125

Can someone explain how the following Matrix can be multiplied? I thought the column of the first matrix had to match the row of the second and the row of the first had to match the column of the second. I how the matrices listed below as (1x3) and (3x3) respectively. Yet my online Pre-cal course says it's possible. Please explain why this is so.

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Can someone explain how the following Matrix can be multiplied? I thought the column of the first ma...