Given $A = \left[ \begin{array} { c c } 9 & 3 \\- 8 & 2\end{array} \right]$

Short Answer

Given $A = \left[ \begin{array} { c c } 9 & 3 \\- 8 & 2\end{array} \right]$ , $B = \left[ \begin{array} { l l } 8 & 4\end{array} \right]$ , and $C = \left[ \begin{array} { c c c } - 1 & 5 & 7 \\8 & 0 & 4\end{array} \right]$ , which of the following can be calculated

Can $( B A ) C$ be calculated
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Can $B C + A$ be calculated
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Can $B ( A C )$ be calculated
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Can $B C - A$ be calculated
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