jayrose jayrose
  • 15-06-2016
  • Mathematics
contestada

4 friends are going to sit together in a roller-coaster car that has 4 seat

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BrainWave
BrainWave BrainWave
  • 15-06-2016
4 friends are going to sit together in a roller-coaster car that has 4 seats, in how many different arrangements can they sit? (I've done this equation before, it's very simple)

4 people can go in the first seat
there are 3 left to pick for the nest
then, 2 left to pick for the last
then 1 for the final one
so there are 4 x 3 x 2 x 1 choices

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ammikamoose ammikamoose
  • 17-07-2018

It’s 24 for you APEX people

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