A car's speedometer has a 5.0% uncertainty. What is the range of possible speeds when it reads 90.0 km /h? What is this range to miles per hour if 1.0 km = 0.6214 mi? 90+-4.5 km/hr 56+-28mi/hr a 85.5 km /h to 94.5 km /h or, equivalently, 53.1 mi/h to 58.7 mi/h b 90 km /h to 94.5 km/h or, equivalently, 55.9 mi/h to 58.7 mi/h C 85 km /h to 95 km/h or, equivalently, 52.8 mi/h to 59.0 mi/h d 90 km /h to 95 km/h or, equivalently, 55.9 mi/h to 59.0 mi/h