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B. Solve the problem. Show the complete solution. Identify the value of n and r. (5 pts each)
1) How many permutations can we make if 7 bottles with different colors will be arranged
in a row and taking 3 bottles at a time?
2) in how many ways can 8 students arrange themselves for a picture taking if they like to
have only 5 of them will be in every shot?​


Sagot :

Answer:

Please refer to the attached photo.

View image Angubk6