What is 3 times sqrt 18

asked Feb 12, 2015 130k views

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3 votes

The square root of 18 = 4.24264068712. Rounding it would just be 4.2. Then 3 times 4.2 is 12.6

Barry Staes answered Feb 15, 2015

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2 votes

$3\cdot √(18)=3\cdot √(9\cdot 2)=3\cdot √(9 )\cdot √(2)=3\cdot 3\cdot √(2)=9√(2)$

Alex Herman answered Feb 17, 2015

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