Evaluate the Radical Expression If It Is a Real Number $$\sqrt [ 4 ] { 16 }$$

Multiple Choice

Evaluate the radical expression if it is a real number. Use a calculator to approximate irrational numbers to the nearest
hundredth. If the expression is not a real number, so state.
- $$\sqrt [ 4 ] { 16 }$$

A) 8
B) 2
C) 16
D) not a real number