Perform the Indicated Operations $27 \sqrt { 7 } - 6 \sqrt { 7 }$

question 49

Multiple Choice

Perform the indicated operations.
- $27 \sqrt { 7 } - 6 \sqrt { 7 }$

• A) 21
• B) \(33 \sqrt { 7 }\)
• C) 147
• D) \(21 \sqrt { 7 }\)

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