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Find the Value of the Determinant $\left| \begin{array} { c c } - 10 & - 2 \\0 & 9\end{array} \right|$

Question 368

Multiple Choice

Find the value of the determinant.
- $\left| \begin{array} { c c } - 10 & - 2 \\0 & 9\end{array} \right|$

A) $- 90$
B) 20
C) 90
D) $- 88$

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