The difference is a subtraction sum between two or more numbers. A single number cannot have a difference.
The differencs is 240 minus 137 equals 103
voltage is the PUSH on electrons seriously 120 volts is the difference of 240...Simply said 240 volts is 2 times as strong as 120 volts.
10
-270
20amps
300 years
15 and 16.
four
four
To find x as a percentage of y all you do is multiply x by 100 and divide the answer by y. eg 12 as a percentage of 240? (12 x 100)/240 = 1200/240 = 5 so 12 is 5% of 240.
Plutonium-238 has 144 neutrons, plutonium-240 has 146 neutrons. Atomic mass and half life are also different.
One has an element designed to work on 120 volts, the other has an element designed to work on 240 volts.