10
The differencs is 240 minus 137 equals 103
20amps
320 yards is the same as 960 feet so the difference between this and 450 feet is 510 feet.
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.
The difference is a subtraction sum between two or more numbers. A single number cannot have a difference.
300 years
four
four
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.
There are 13 such numbers: 210, 240, 270, 300, 330, 360, 390, 420, 450, 480, 510, 540, 570.