# Math

A web-site asks users to create a 5-symbol PIN code where first and second symbols are any letters from the English alphabet and next 3 symbols are any digits. How many different PIN codes can be created?

1. 👍 0
2. 👎 0
3. 👁 94
1. assuming that numbers and letters can be repeated ...

number of cases
= 26x10x10x10x26
=

1. 👍 0
2. 👎 0
posted by Reiny

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