Ask a New Question

Question

How many codes consisting of a letter followed by 3 digits can be made if no digit can be used more than once?
13 years ago

Answers

bobpursley
26*10*9*8

This assumes the letter "O" is allowed. Often it is not, because of confusion with zero. IT also assumes case of the letters is indifferent. If case masters, then A and a will be different, so you double the number of codes available.
13 years ago
Jassie
can you tell me how you got 9 and 8?
I get it 26 alphabets.
10 digits.
13 years ago

Related Questions

I have 56 coins consisting of nickels and quarters. The total value of the coins is $5.60. How many... A sample consisting of 22.7 g of a nongaseous, unstable compound X is placed inside a metal cylinder... "A pendulum consisting of an object of mass 1.3kg suspended from a string of length 1.9m is pulled a... you have $60, consisting of quarters and pennies. write an inequality that shows the different numbe... Different codes each consisting of five characters are to be generated. In each code the first two... Congress, consisting of the senate and the House of Representatives. b. Legislative branch d. Rule... Four dipoles, each consisting of a +10 µC charge and a -10 µC charge, are located in the xy-plane wi... Four dipoles, each consisting of a +10 µC charge and a -10 µC charge, are located in the xy-plane wi... consisting of 2 hemispheres and olfactory lobes
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use