Answer
permutations
Work Step by Step
A permutation from a group of items occurs when no item is used more than once and the order of arrangement makes a difference.
A combination from a group of items occurs when no item is used more than once and the order of items makes no difference.
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First prize is significantly different to second and third prizes,
so the order in which the winning tickets are chosen
is important.
The problem deals with permutations.