Mathematics, 22.03.2021 05:10 garrettengle03

There are 10 doors to a coliseum. In how many ways can a person go in and out if one can enter any door but leave using another door? Use permutation formula (P(n, r)) to solve.

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There are 10 doors to a coliseum. In how many ways can a person go in and out if one can enter any d...

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