An identification code is to consist of five letters followed by three digits. How many different codes are possible if repetition is permitted?

Question

anonymous · Answer

i am not very good at these type of problems.. not sure how to do them

anonymous · Answer

For the first letter you have 24 different choices. The same is true for all the letters and you have 10 choices for the number:
24x24x24x24x24x10x10x10 should give you the result.

anonymous · Answer

where did u get the 24?

anonymous · Answer

oops, I meant 26 (letters in the alphabet) :P.
26x26x26x26x26x10x10x10

anonymous · Answer

130,000 ways?

anonymous · Answer

It should be 1.1881376 x 10^10

anonymous · Answer

$$26^5 \cdot 10^3 = 11,882,376$$

anonymous · Answer

hmmm i did my math totally wrong.. lol

anonymous · Answer

26^5 = 11,881,376 but then you have to multiply by 10^3

anonymous · Answer

oh ok.. thank you :)