Q: What is the sqaure root of 2?

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it is 6.7082

Easy answer: 2 sqrt(6) or about 4.89897924 is not an even square, so let's break 24 down into prime factors:24 = 2 * 2 * 2 * 3Every time we see a number multiplied twice (squared), that number can be "pulled out" from underneath of the square-root sign once.24 = 2 * 2 * 2 * 3You'll have to excuse the notation; I can't insert a square-root sign.sqrt(24)sqrt(2 * 2 * 2 * 3)2 * sqrt(2 * 3)2 sqrt(6)This answer still contains a radical sign. A decimal approximation of this number is 4.898979

The cube root of 8 is 2.

4

root 200 = root 2 multiplied by root 100 root 100 = 10 root 200 = 10 root 2

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root of 676 = 26

there is no square root of 11.

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1.7724538509055160272981674833411

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it is 6.7082