Matrices and Determinants
Order of a Matrix
Premium Question
Grade 12
Question:
The total number of entries in a $3 \times 3$ matrix is _____.
Step-by-Step Solution
Key Concept: A matrix of order $m \times n$ has exactly $m \times n$ entries arranged in $m$ rows and $n$ columns — apply this directly with $m = n = 3$.
The detailed step-by-step mathematical proof is available inside the Mathbee app workspace.
Correct Answer: 9