# Chapter 4 - Section 4.1 - Matrix Addition and Scalar Multiplication - Exercises - Page 239: 3

$c_{11}:\frac{5}{2}$ Dimensions: 4$\times$1

#### Work Step by Step

Row 1 Column 1 :$\frac{5}{2}$ There are 4 rows and 1 column, so the dimensions is 4$\times$1.

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