Question

A license plate consists of 6 letters and 3 numbers.How many plates can be made;a.If repetition is allowed?b.if the 3rd letter has yo be a k?c.if the numbers can repeat but the letters can not?

Answer 1

there are 26 letters in the english alphabet, asussuming that they are all upper case, you would multiply 26×6 to find all of the different combinations of numbers.




there are 1000 possible ways to organize the nine individual numbers (000, 001, 002,...,999)



I hope that helps, I am not really sure how you would go on from there, good luck!