Simplify and Evaluate Using a Calculator $\sqrt { 20 }$ A) $2 \sqrt { 5 } ; 4.47213595$

Multiple Choice

Simplify and evaluate using a calculator.
- $\sqrt { 20 }$

A) $2 \sqrt { 5 } ; 4.47213595$
B) $5 \sqrt { 2 } ; 4.47213595$
C) $2 \sqrt { 10 } ; 4.47213595$
D) $10 ; 10$