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What is 8P4?

This is a permutation without repetition because order matters and the same item cannot be reused.

Exact result

1,680

8 permute 4 without repeats is 1,680.

8P4 counts ordered arrangements of 4 chosen items from 8 distinct items. Different orderings count separately.

Worked steps

Show your work

  1. Inputs: n = 8, r = 4
  2. Formula: P(n, r) = n! / (n-r)!
  3. Substitute: P(8, 4) = 8! / (8-4)!
  4. Steps: 40,320 / 24
  5. Result: 8 permute 4 without repeats is 1,680.

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8P4 counts ordered arrangements of 4 chosen items from 8 distinct items. Different orderings count separately.

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