The square root of 8 simplified is 2 times the square root of 2, which equals approximately 2.83. The square root of 8 is found by breaking down 8 into its factors of 4 and 2. The square root of each factor is taken, resulting in 2 and the square root of 2.
Square roots are also referred to as radicals, and the general process for simplifying involves breaking the original value down into factors, paying special attention to any that are perfect squares, and then simplifying as much as possible. The square root of a number can also be found by using the square root button on a typical calculator.