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The number of all possible matrices of order $3×4$ with each entry 1, 2 or 3 are : |
$2^{12}$ $2^{3}$ $3^{12}$ $3^{2}$ |
$3^{12}$ |
Matrix order: 3×4 → total entries = 3*4 = 12 Each entry can be 1, 2, or 3 → 3 choices per entry Total number of matrices = $3^{12}$ Answer: $3^{12}$ |
