If you double the amount of gas in the same volume you will double the pressure.
The number itself becomes double.
They double
the volume doubles
the voltage and current doubles
The volumes doubles
The volume is doubled.
You get a number that's equal to their sum. The sum is an odd number that's greater than either of them, one greater than double the smaller one, and one less than double the bigger one.
Not necessarily.
To halve a fraction, double the denominator (the bottom number). To double a fraction, double the numerator (the top number).
Nothing happens if a number is divided by a zero.
a double number is when somethin goes it for e.g. double 15 are thirty. My god you don't know that?
Do you mean like a double floating point number, which is a complex number; or a double matrix type number like in the related link on springerlink.com