There are 3 letter-boxes marked P, Q and R and 8 letters marked A, B, C, D, E, F, G amd H.
Find the number of ways in which the 8 letters can be placed in the boxes if there is no restrictions .
點解個ans.會係6561 ?????
thank:)
Math & stat Q.
2011-06-06 5:31 am
回答 (1)
2011-06-06 6:11 am
✔ 最佳答案
Every letter can be place in either box P, Q or R. So, no. of ways= 3^8
= 6561
收錄日期: 2021-04-26 14:07:34
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