Simplify cube root of 8

Problem

83 the cube root of 8

Solution

  1. Identify the number inside the radical, which is 8 8

  2. Factor the number into its prime components to find a perfect cube.

8=2⋅2⋅2 8 equals 2 times 2 times 2

8=23 8 equals 2 cubed

  1. Apply the property of radicals where xnn=x the n-th root of x to the n-th power equals x for any positive integer n n

233=2 the cube root of 2 cubed equals 2

Final Answer

83=2 the cube root of 8 equals 2


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