Sagot :
Answer:
720 ways
Step-by-step explanation:
Since we are arranging items around a circle, 7 keys can be arranged in (7-1)! = 6! = 720 ways.
Answer:
720 ways
Step-by-step explanation:
Since we are arranging items around a circle, 7 keys can be arranged in (7-1)! = 6! = 720 ways.