(a) A car speedometer has a 7% uncertainty. What is the range of possible speeds (in km/h) when it reads 42 km/h? (There are two answers. Enter the lowest value first and the highest value second. For each answer, enter a number.) lowest km/h highest km/h (b) Convert this to miles per hour. There are two answers. Enter the lowest value first and the highest value second. For each answer, enter a number.) lowest mi/h highest mi/h Submit