Because it is magical :)
You always double the number.
When you double any number you are in-fact multiplying it by 2 which is an even number. All even numbers are multiples of 2. When a number is doubled, it is multiplied by 2 and so the result is always a multiple of 2. Thus it must always be an even number.
Perhaps you are seeing the number 44 and you have 1.5 times vision... it's not quite as bad as double vision, but close...
A circle's diameter is always double it's radius. So a circle of diameter 8.5 has a radius of 4.25. Half of 8.5
Find 10 percent and double it then divide that by ten.
I think it's safe to say that he did always have a double saber, according to Wookiepedia, anyway... So unless any new story or movie is released, the answer is yes, he always had a double saber.
No.
only if you have OCD
only if you have OCD
No.
U.S. 240 VAC breakers are always double pole since they are protecting two legs of the circuit.
A single displacement reaction is always a redox reaction, buta double displacement reaction is not a redox reaction.
Always finish on a double - can either start straight off or with a double.
A is always with T and C is always with G
You always double the number.
To the load !
There could always be a small chance, but your probally not, but its always good to double check.