How many 20s make 270
420
420 ft = 128m
There are 420/7 = 60
420 decimeters is 4200cm
420 / 7 = 60
There are .42 amps in 420 mA. Equation 420/1000 = .42 amps
420 mm = 16.5 inches
420 centimeters is 13.78 feet.
420 feet = 128.016 meters.
420 ÷ 15 = 28
420 quarts is 397,470 milliliters.