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Multiply or Divide, as Indicated $\frac { \sqrt { - 20 } \cdot \sqrt { - 5 } } { \sqrt { 4 } }$

Question 199

Multiple Choice

Multiply or divide, as indicated. Simplify the answer.
- $\frac { \sqrt { - 20 } \cdot \sqrt { - 5 } } { \sqrt { 4 } }$

A) 5
B) $5 \mathrm { i }$
C) $- 5 \mathrm { i }$
D) $- 5$

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