Cube Root of 3/125

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What is the cube root of 3/125?

Answer

∛(3/125) =
∛3/5 ≈ 0.2884

Real cube root: the only number whose cube is 3/125.

≈ — rounded to 4 decimal places. 3/125 is not the cube of a rational number, so ∛(3/125) is irrational: its decimal expansion never ends and never repeats.

Root of a fraction
∛(3/125) = ∛3/∛125 = ∛3/5 ≈ 0.2884

See Also

FAQ

What is the cube root of 3/125?

∛(3/125) = ∛3/5 ≈ 0.2884

Why is ∛(3/125) = ∛3/5?

The cube root of a fraction is the cube root of the numerator over the cube root of the denominator: ∛(3/125) = ∛3/∛125 = ∛3/5, because 5³ = 125.

Is ∛(3/125) a rational number?

No: 3/125 is not the cube of a rational number, and the cube root of a fraction p/q in lowest terms is rational only when p and q are both cubes. So ∛(3/125) is irrational; its decimal never ends and never repeats: ∛(3/125) ≈ 0.2884.