SOLUTION: How many different four digit numbers can be formed from the digits 0 through 9 if the first digit must be even and cannot be zero?

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Question 126969: How many different four digit numbers can be formed from the digits 0 through 9 if the first digit must be even and cannot be zero?
Answer by josmiceli(6786) About Me  (Show Source):
You can put this solution on YOUR website!
There are 4 choices for the highest order digit, 2,4,6,8
Each of the other 4 digits can be 0 through 9, so the
number of possible different 4-digit numbers is 4%2A10%2A10%2A10+=+4000