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Simplify the Expression $\sqrt { 9 } - \sqrt { 196 }$

Question 423

Multiple Choice

Simplify the expression. Assume all variables represent positive real numbers.
- $\sqrt { 9 } - \sqrt { 196 }$

A) $- \sqrt { 187 }$
B) $- 5.5$
C) $- \sqrt { 11 }$
D) $- 11$

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