The botanic garden is planting bulbs for the spring flower show. The head gardener is trying to decide how to place three Tulips bulbs, three Daffodil bulbs, and three Crocus bulbs along the front row. How many different arrangements can he make of these bulbs in the front row? Choose the correct answer:
A) 27
B) 108
C) 216
D) 512
E) 1,680
total number of bulbs is 9, hence possible arrangements is 9!   But all the 3 bulbs are 3 each, hence   i.e.,9!/3!3!3!=1680 ways   answer is 1,680.
<result>E</result>
The botanic garden is planting bulbs for the spring flower show. The head gardener is trying to decide how to place three Tulips bulbs, three Daffodil bulbs, and three Crocus bulbs along the front row. How many different arrangements can he make of these bulbs in the front row?