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How many 20s make 270
420
420 ft = 128m
There are 420/7 = 60
420 decimeters is 4200cm
420 / 7 = 60
7.5
120
4
10.3
There are .42 amps in 420 mA. Equation 420/1000 = .42 amps
420 mm = 16.5 inches