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MMLU / If matrix A has dimensions 2 × 7 and matrix B has dimensions 7 × 5, what are the…

Problem

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question

If matrix A has dimensions 2 × 7 and matrix B has dimensions 7 × 5, what are the dimensions of the product matrix AB?

choices

  1. 2 × 2
  2. 2 × 5
  3. 5 × 2
  4. 7 × 7

subject

high_school_mathematics

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