Find the Square Root If It Is a Real Number $\sqrt { 4 }$

question 21

Multiple Choice

Find the square root if it is a real number, or state that the expression is not a real number.
- $\sqrt { 4 }$

• A) \(\frac { 1 } { 4 }\)
• B) not a real number
• C) 16
• D) 2

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