Does this air conditioner require 220 volts?
In the U.S. you should be using 110-115V.
no but it will save on your power bill since the 220 is more efficent
Yes.
no
If you live in an area that uses 115V as the mains supply, then it's absolutely fine. Equipment sold in the area will be designed to operate on that voltage and there is no difference in performance between 115V equipment and 230V equipment.
220*220 = 48400.
LCM of 110 and 220 is 220.
33% of 220= 33% * 220= 0.33 * 220= 72.6
220 as a percent = 22000%220 * 100% = 22000%
0.55 percent of 220 = 1210.55% of 220= 55% * 220= 0.55 * 220= 121
The greatest common factor of 220, 440, and 880 is 220
4% of 220 = 4% * 220 = 0.04 * 220 = 8.8