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How do I simplify the square root: 7 times the square root of 81

How do I simplify the square root: 7 times the square root of 81
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How do I simplify the square root: 7 times the square root of 81

User Thant
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7\cdot√(81)=7\cdot√(9\cdot9)=7\cdot9=\boxed{63}
User Flight Odyssey
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