Use the Product Rule to Multiply $$\sqrt [ 4 ] { 81 } \cdot \sqrt [ 4 ] { 256 }$$

question 256

Multiple Choice

Use the product rule to multiply. Assume all variables represent positive real numbers.
- $$\sqrt [ 4 ] { 81 } \cdot \sqrt [ 4 ] { 256 }$$

• A) \(- 1\)
• B) 7
• C) \(- 12\)
• D) 12

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