Cube root of 512 is:
Answer & explanation
Correct answer: option 3
Steps to be followed:
Step 1: Find the prime factors of the number.
For example: 512 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2
Step 2: Group the prime factors in the form of triplets.
For example: 512 = (2 × 2 × 2) × (2 × 2 × 2) × (2 × 2 × 2)
Step 3: Take out one number from each triplet and find the product.
For example: 512 = (2) × (2) × (2)
Therefore: we can say that 3√512 = 2 × 2 × 2 = 8