The cube root of 343 is 7 because 7 × 7 × 7 = 343.
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What is cube root?
Definition of cube root
A cube root of a number a is a number x such that x3 = a, in other words, a number x whose cube is a. For example, 7 is the cube root of 343 because 73 = 7•7•7 = 343, -7 is cube root of -343 because (-7)3 = (-7)•(-7)•(-7) = -343.
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