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Perform the Indicated Operations $\sqrt { - 64 } \cdot \sqrt { - 4 }$

Question 3

Multiple Choice

Perform the indicated operations. Simplify the answer.
- $\sqrt { - 64 } \cdot \sqrt { - 4 }$

A) $- 16$
B) $4 \mathrm { i }$
C) $16 i$
D) 4

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