Question 8: A wheel has a diameter of 650mm. That wheel rolled on a 2,041km long. That wheel has rolled around

The circumference of that wheel is: 650 x 3.14 = 2041 (mm) = 0.002041 km. The wheel roll number to go all the way is: 2,041: 0.002041 = 1000 (round) Answer: 1000 rounds.