Question

4. An internet code consists of one digit (0 thru 9) followed by one letter (A thru Z). How many codes

are possible? (page 3, problem 11)
* since we are only using one number and one letter we don't need to worry about repetition
A) 36
Digit
B) 234
Letter
C) 260
D) 2

Answer 1

B) 234 Letters

Explanation:

Each number will be matched with 1 letter, and there is 26 letters in the alphabet, so each number can be used 26 different times. 26 * 9 is 234