Convert them into SI units (1) 100 miles per hour (2) 0.74 A (3)46 Celsius Share with your friends Share 0 Sanat K Mukherjee answered this Dear Student, (1) 1 mile = 1.6 km = 1600 m ;1h = 60×60 s = 3600 sTherefore,100 miles/h = 100×16003600=44.44 m/s (2) 0.74 A = 0.74 A (Ampere is an SI unit) (3) 46oC = 273+46 = 319 K (SI unit of temperature is Kelvin (K)) Regards, 0 View Full Answer Dheeraj Singh answered this Hai!! 1) 1 mile = 1.6 km = 100*1.6 = 160 km/h 2) 0.74A as ampere is the SI unit of current 3) SI unit is Kelvin = 46-273 = 227K Cheers!! 1