#### Answer

9

#### Work Step by Step

In order to find how many elements are in a matrix, multiply the number of rows by the number of columns of the matrix. We multiply 3 by 3 to obtain that there are 9 elements in this matrix.

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Published by
Prentice Hall

ISBN 10:
0133281140

ISBN 13:
978-0-13328-114-9

9

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