Answer
3x3
Work Step by Step
The size of a matrix is given by m x n, where m is equal to the number of rows and n is equal to the number of columns. In this problem, m=3 and n=3 so the size of the matrix is 3 x 3.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.