Question

(a) To log on to a certain computer account, the user must type in a 5-letter password. In such a password, no letter may be repeated, and only the lower case of a letter may be used. How many such 5-letter passwords are possible? (There are 26 letters in the alphabet.) (b) A certain committee consists of 15 people. From the committee, a president, a vice-president, a secretary, and a treasurer are to be chosen. In how many ways can these 4 offices be filled? Assume that a committee member can hold at most one of these offices.

          (a) To log on to a certain computer account, the user must type in a 5-letter password. In such a
password, no letter may be repeated, and only the lower case of a letter may be used. How many
such 5-letter passwords are possible? (There are 26 letters in the alphabet.)
(b) A certain committee consists of 15 people. From the committee, a president, a vice-president, a
secretary, and a treasurer are to be chosen. In how many ways can these 4 offices be filled? Assume
that a committee member can hold at most one of these offices.

(a) To log on to a certain computer account, the user must type in a 5-letter password. In such a
password, no letter may be repeated, and only the lower case of a letter may be used. How many
such 5-letter passwords are possible? (There are 26 letters in the alphabet.)
(b) A certain committee consists of 15 people. From the committee, a president, a vice-president, a
secretary, and a treasurer are to be chosen. In how many ways can these 4 offices be filled? Assume
that a committee member can hold at most one of these offices.

Added by Gordon A.

Question

Please give Ace some feedback