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$[\begin{array}{c} 0.23 & 0.08 & 420 \\ 0.34 & 0.13 & 800 \end{array}]$

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Transpose the matrix by switching its rows to columns.

$[\begin{array}{c} 0.23 & 0.34 \\ 0.08 & 0.13 \\ 420 & 800 \end{array}]$