Evaluate the Radical Expression If It Is a Real Number $$- \sqrt [ 3 ] { - 343 }$$

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.
- $$- \sqrt [ 3 ] { - 343 }$$

A) 7
B) -7
C) -18.52
D) not a real number