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10 questions from this quiz
Columns in AAA = rows in BBB
3×23 \times 23×2
No, columns in AAA ≠\neq= rows in BBB
No, order matters in multiplication
Post-multiply by 4×14 \times 14×1 summing matrix
Pre-multiply by 1×21 \times 21×2 summing matrix
Only square matrices
[2×4+3×1+1×2]=[13][2 \times 4 + 3 \times 1 + 1 \times 2] = [13][2×4+3×1+1×2]=[13]
5×75 \times 75×7
2100 kJ
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