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When my son was young, he had 8 different plastic dinosaurs to arrange. How many ways could he arrange his 8 dinos? He had favorite

When my son was young, he had 8 different plastic dinosaurs to arrange.

  1. How many ways could he arrange his 8 dinos?
  2. He had favorite dinos, so placing them in proper order was very important. How many ways could he select the best 3?
  3. We went on vacation one summer, and he could only take 4 of his dinos. He just threw them into his suitcase, so order was not important. How many ways could he pick 4 dinos to take?

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