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Permutations with Repetition Allowed
## Formula
If each of $$r$$ positions can be filled independently using any of $$n$$ objects, the number of arrangements is:
$$n^r$$
## Usage
- Used when objects can be repeated and order matters.
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Permutations with Repetition Allowed
## Formula
If each of $$r$$ positions can be filled independently using any of $$n$$ objects, the number of arrangements is:
$$n^r$$
## Usage
- Used when objects can be repeated and order matters.
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