Question

Lila forgot the security code for her apartment building. The code is two different digits followed by a capital letter. How many different possible codes are there?

Answer 1

different digits

there are 10 digits total

10 possible ones for the first number

9 for the second (she used one for the first number of the code)

then we have a caplital letter

26 letters so 26 possible capital letters

so therfor there are 10*9*26 or 2340 different possible codes