Volcano eruption causing the population of 9 villages which are under the foot of the mountain to be secured. A gymnasium that is designated as a place of refuge. to facilitate the evacuation, the division ordered by the village. So, the gymnasium is divided into 9 parts. How many ways can the placement of nine villages in the ninth section of the building if the observed sequence?
Because the sequence, then the number of ways placements can be searched by permutation.
So, the answer is: 9x8x7x6x5x4x3x2x1 = 362,880 ways.
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