Write as a Real Number or a Product of a Real

question 307

Multiple Choice

Write as a real number or a product of a real number and i.
- $\frac { \sqrt { - 10 } \cdot \sqrt { - 5 } } { \sqrt { 2 } }$

• A) 5
• B) \(25 \mathrm { i }\)
• C) \(5 \mathrm { i }\)
• D) \(- 5\)

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