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What is the square root of 364

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364|2\\182|2\\.\ 91|7\\.\ 13|13\\.\ \ 1|\\\\364=2\cdot2\cdot7\cdot13=2^2\cdot(7\cdot13)=2^2\cdot91\\\\√(364)=√(2^2\cdot91)=√(2^2)\cdot√(91)=2\cdot√(91)=\boxed{2√(91)}\approx19,079
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