Suppose that nine children are sitting in a row. When the music starts, they get up and run around the row of chairs. When the sit in an empty chair. In how many ways can it happen that none of them are sitting in the original chair that they occupied at the start of the game? Use an approximation for your answer and round it to the nearest whole number.

Suppose that nine children are sitting in a row. When the music starts, they get up and run around the row of chairs. When the sit in an empty chair. In how many ways can it happen that none of them are sitting in the original chair that they occupied at the start of the game? Use an approximation for your answer and round it to the nearest whole number.

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

Suppose that nine children are sitting in a row. When the music starts, they get up and run around the row of chairs. When the music stops they each
sit in an empty chair.
In how many ways can it happen that none of them are sitting in the original chair that they occupied at the start of the game?
Use an approximation for your answer and round it to the nearest whole number.

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