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What are the dimensions of this matrix?

[tex]\[
\left[\begin{array}{c}
2.5 \\
-3 \\
-1.6 \\
10.0
\end{array}\right]
\][/tex]

A. [tex]\(4 \times 4\)[/tex]
B. [tex]\(4 \times 1\)[/tex]
C. [tex]\(1 \times 1\)[/tex]
D. [tex]\(1 \times 4\)[/tex]

Sagot :

GinnyAnswer
To determine the dimensions of the given matrix, you need to identify the number of rows and columns it contains. The given matrix is:

[tex]\[ \left[\begin{array}{c} 2.5 \\ -3 \\ -1.6 \\ 10.0 \end{array}\right] \][/tex]

Here, you can observe the following:
1. Each entry of the matrix is located in a separate row.
2. The matrix has one single column.

To summarize:
- The matrix has [tex]\(4\)[/tex] rows.
- The matrix has [tex]\(1\)[/tex] column.

Therefore, the dimensions of the matrix are [tex]\(4 \times 1\)[/tex].

So, the correct answer is:

[tex]\[ \boxed{4 \times 1} \][/tex]
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