Answer:
4x10^6
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Answer is in a photo. I couldn't attach it here, but I uploaded it to a file hosting. link below! Good Luck!

2.5 (2 hours and 30 mins) hours. Distance (6.8) divided by time (2.72). 6.8/2.72= 2.5
Answer:16
Step-by-step explanation:
10÷5/8=16