1.7 · IndicesLesson 8 of 12

Fractional indices: powers of roots

In 8^(2/3), the bottom 3 is a cube root and the top 2 is a square. Root first to keep numbers small: 2² = 4.

Locked

Unlock the rest of Cambridge O Level Mathematics: Number (4024).

  • Every lesson, every resource, unlocked instantly.
  • Track progress and pick up where you left off.
  • Free preview lessons stay readable from the outline.

From

BDT 0

Enrol now