math

what is the square root of 20?

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  1. sqrt 20= sqrt(4*5)= sqrt4 * sqrt 5= 2sqrt5

  2. im sorry but is it 4.5?

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  3. please write it in a simple way

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  4. http://www.google.com/search?q=%22+to+a+world+of+amazing+and+fantastic+adventures+beyond+the+world+of+imagination+where+he+goes+into+many+places+and+takes+on+many+scenes%2C%22&hl=en&biw=853&bih=544&num=10&lr=&ft=i&cr=&safe=images&tbs=#sclient=psy&hl=en&lr=&source=hp&q=square+root+20&pbx=1&oq=square+root+20&aq=f&aqi=g5h1&aql=1&gs_sm=e&gs_upl=4784591l4791879l0l4792785l14l14l0l0l0l0l256l2555l1.7.6l14l0&bav=on.2,or.r_gc.r_pw.&fp=e97cfd05dfef89c0&biw=853&bih=544

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