The value of the cube root of 8 is 2. It is the real solution of the equation x3 = 8. The cube root of 8 is expressed as ∛8 in radical form and as (8)⅓ or (8)0.33 in the exponent form. As the cube root of 8 is a whole number, 8 is a perfect cube.

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**Cube root of 8:**2

**Cube root of 8 in exponential form:**(8)⅓

**Cube root of 8 in radical form:**∛8

1. | What is the Cube Root of 8? |

2. | How to Calculate the Cube Root of 8? |

3. | Is the Cube Root of 8 Irrational? |

4. | FAQs on Cube Root of 8 |

The cube root of 8 is the number which when multiplied by itself three times gives the product as 8. Since 8 can be expressed as 2 × 2 × 2. Therefore, the cube root of 8 = ∛(2 × 2 × 2) = 2.

### Cube Root of 8 by Prime Factorization

Prime factorization of 8 is 2 × 2 × 2Simplifying the above expression: 23Therefore, the cube root of 8 by prime factorization is (2 × 2 × 2)1/3 = 2.

No, because ∛8 = ∛(2 × 2 × 2) can be expressed in the form of p/q i.e. 2/1. Therefore, the value of the cube root of 8 is an integer (rational).

**☛ Also Check:**

**Example 2: What is the value of ∛8 + ∛(-8)?**

**Solution: **

The cube root of -8 is equal to the negative of the cube root of 8.i.e. ∛-8 = -∛8Therefore, ∛8 + ∛(-8) = ∛8 - ∛8 = 0

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## FAQs on Cube Root of 8

### What is the Value of the Cube Root of 8?

We can express 8 as 2 × 2 × 2 i.e. ∛8 = ∛(2 × 2 × 2) = 2. Therefore, the value of the cube root of 8 is 2.

### What is the Cube Root of -8?

The cube root of -8 is equal to the negative of the cube root of 8. Therefore, ∛-8 = -(∛8) = -(2) = -2.

### Is 8 a Perfect Cube?

The number 8 on prime factorization gives 2 × 2 × 2. On combining the prime factors in groups of 3 gives 2. So, the cube root of 8 = ∛(2 × 2 × 2) = 2 (perfect cube).

### How to Simplify the Cube Root of 8/512?

We know that the cube root of 8 is 2 and the cube root of 512 is 8. Therefore, ∛(8/512) = (∛8)/(∛512) = 2/8 = 0.25.

### If the Cube Root of 8 is 2, Find the Value of ∛0.008.

Let us represent ∛0.008 in p/q form i.e. ∛(8/1000) = 2/10 = 0.2. Hence, the value of ∛0.008 = 0.2.

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### Why is the value of the Cube Root of 8 Rational?

The value of the cube root of 8 can be expressed in the form of p/q i.e. = 2/1, where q ≠ 0. Therefore, the ∛8 is rational.