SOLUTION: How many numbers less than 1000 can be made from the eight digits 0,1,2,3,4,5,6,7?

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Question 343800: How many numbers less than 1000 can be made from the eight digits 0,1,2,3,4,5,6,7?
Answer by solver91311(24713) About Me  (Show Source):
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8 ways to pick the hundreds digit times 8 ways to pick the tens digit times 8 ways to pick the ones digit is 512

Then you have the same 512 for the negative numbers

So 1024 but you have to subtract one because of counting 0 twice hence 1023

John

My calculator said it, I believe it, that settles it