56. Happy Soup Company stamps a 6-character product code on each can of soup it produces. Each product code consists of 5 letters (from the 26-letter alphabet) followed by a single digit (from the digits 0 to 9). The letters may repeat. How many such product codes are possible ?

Answer and Explanation

Your Answer is

Correct Answer is K

Explanation

Since 5 letters are selected from 26 letters, the number of random arrangements is 26×26×26×26×26. Since 1 is selected from 10 numbers, the number of random arrangements is 10. The total number of permutations is 26×26×26×26×26×10=265×10. Choose K.