If you meant 123, the mean of one number is itself. If you meant 1,2 and 3, you add the numbers and divide by the number of numbers, so (1+2+3)/(1+1+1) = 6/3 = 2
123
123
If you mean what number you used to dial before it changed to 123 - it was 8081
The average American IQ is 98
It is: 123+123 = 246
123
Its a movie, The taking of Pelham 123
123
123
123
If you mean what number you used to dial before it changed to 123 - it was 8081
Safety in numbers
It is as easy as 123, or so I've heard.
It is 555.
Oh, dude, the smallest multiple number of 123 is... well, 123 itself. I mean, it's the smallest number that you can multiply by to get 123. Like, you can't go smaller than that without getting into fractions, and who wants to deal with those, right? So yeah, 123 is the way to go here.
15
I think you mean: "a 123 kb file uses how many sectors?" It should be 1...