**How to Find the Cube Root of 70? [Solved] - Cuemath**
https://www.cuemath.com/algebra/cube-root-of-70/

So, 9 + 15 × ∛70 = 9 + 15 × 4.121 = 70.815. Hence, the value of 9 plus 15 cube root 70 is 70.815. Why is the Value of the Cube Root of 70 Irrational? The value of the cube root of 70 cannot be expressed in the form of p/q where q ≠ 0. Therefore, the number ∛70 is irrational. What is the Cube of the Cube Root of 70? The cube of the cube root of 70 is the number 70 itself …

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