arry out the indicated unit conversion. Round your answer, if appropriate. 1) A car is driving at 180 miles per hour. What is its speed in miles per minute? A) 3 miles per minute C) 648,000 miles per minute 2) Convert a distance of 54 feet into yards. B) 240 miles per minute D) 10,800 miles per minute A) 162 yards B) 21 yards C) 18 yards 1) 2) D) 36 yards 3) 3) Use a chain of conversions with familiar measures of time to convert 8 weeks into seconds. A) 691,200 seconds C) 80,640 seconds B) 4,838,400 seconds D) 201,600 seconds