An airplane on autopilot took 7 hours to travel 4 comma 977 kilometers. What is the unit rate for kilometers per​ hour?

To find the unit rate for kilometers per hour, divide the total distance traveled (4977 kilometers) by the total time taken (7 hours).

4977 kilometers / 7 hours = 711 kilometers per hour

So, the unit rate for kilometers per hour is 711 kilometers/hr.