1) How many ways can the 3 potted plants be arranged in a row? a) 3 b) 4 c) 6 2) How many ways can 5 books be arranged in a shelf? a) 120 b) 50 c) 25 3) In how many ways can the butterflies be arranged in a row? a) 120 b) 720 c) 5040 4) How many ways can this group of friends sit in a row? a) 36 b) 720 c) 320

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