Evaluate the determinant of the matrix. Expand by minors along the row or column that appears to make the computation easiest. Round your answer to three decimals places.
$\left[ \begin{array} { c c c }
0.3 & 0.4 & - 0.3 \
- 0.4 & 0.2 & - 0.4 \
- 0.7 & 0.2 & - 0.1
\end{array} \right]$
A) 0.117
B) 0.096
C) 0.25
D) 0.072
E) 0.075

Question

Evaluate the determinant of the matrix. Expand by minors along the row or column that appears to make the computation easiest. Round your answer to three decimals places. 
$\left[ \begin{array} { c c c } 
0.3 & 0.4 & - 0.3 \
- 0.4 & 0.2 & - 0.4 \
- 0.7 & 0.2 & - 0.1
\end{array} \right]$
A) 0.117
B) 0.096
C) 0.25
D) 0.072
E)  0.075

Quizplus · Accepted Answer

The Answer of Evaluate the determinant of the matrix. Expand by minors along the row or column that appears to make the computation easiest. Round your answer to three decimals places. 
$\left[ \begin{array} { c c c } 
0.3 & 0.4 & - 0.3 \
- 0.4 & 0.2 & - 0.4 \
- 0.7 & 0.2 & - 0.1
\end{array} \right]$
A) 0.117
B) 0.096
C) 0.25
D) 0.072
E)  0.075

Evaluate the Determinant of the Matrix [0.30.4−0.3−0.40.2−0.4−0.70.2−0.1]\left[ \begin{array} { c c c } 0.3 & 0.4 & - 0.3 \\- 0.4 & 0.2 & - 0.4 \\- 0.7 & 0.2 & - 0.1\end{array} \right]​0.3−0.4−0.7​0.40.20.2​−0.3−0.4−0.1​​

Evaluate the Determinant of the Matrix $\left[ \begin{array} { c c c } 0.3 & 0.4 & - 0.3 \\- 0.4 & 0.2 & - 0.4 \\- 0.7 & 0.2 & - 0.1\end{array} \right]$