Answer
7
Work Step by Step
An element of a matrix is represented by the name of the matrix, the row number, and column number. In this case, $a_{32}$ would be row $3$ column $2$ in matrix $A$
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 3 - Linear Systems - 3-6 Solving Systems Using Matrices - Practice and Problem-Solving Exercises - Page 179: 8
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