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Is this a permutation or combination

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  1. How many ways to create zip code containing 5 digits made with the digits 0-9 but no digit is used more than once and first digit can not be 0? Is this a permutation or combination?
  2. A classroom has 2 rows with 10 chairs in each rom. How many ways to seat 4 students in the first row and 8 students in the second row? Is this a permutation or combination?
  3. A piggy bank has 7 identical pennies, 6 identical nickels and 5 identical quarters. How many ways can you arrange the coins in a row? Is this a permutation or combination?

Reference no: EM131860639

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