Answer
9
Work Step by Step
There are three columns and three rows in a 3x3 matrix. Each element is in a certain place in each row-column combination.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 11 - Data Analysis and Probability - 12-1 Organizing Data Using Matrices - Lesson Check - Page 717: 5
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