Evaluate the Radical Expression If It Is a Real Number $$\sqrt [ 4 ] { - \frac { 1 } { 81 } }$$

question 220

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.
- $$\sqrt [ 4 ] { - \frac { 1 } { 81 } }$$

• A) \(\frac { 1 } { 3 }\)
• B)19
• C) \(- \frac { 1 } { 3 }\)
• D)not a real number

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