If I have a combination of numbers and letters ((adsbygoogle = window.adsbygoogle || []).push({}); number-letter-number- examples: 1j5, 3f5) then how can I find the number of possibilities?

So, number-10 possibilities, letter-26 possibilities, number-10 possibilities.

Thanks!

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# How to find the # of possilibities?

**Physics Forums | Science Articles, Homework Help, Discussion**