Evaluate
42\sqrt{3}\approx 72.746133918
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\sqrt{294\times 18}
Multiply 14 and 21 to get 294.
\sqrt{5292}
Multiply 294 and 18 to get 5292.
42\sqrt{3}
Factor 5292=42^{2}\times 3. Rewrite the square root of the product \sqrt{42^{2}\times 3} as the product of square roots \sqrt{42^{2}}\sqrt{3}. Take the square root of 42^{2}.
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