The first one
this is random stuff to fill up the 20 character minimum
1 km = 1000m
1 hr = 3600 s
189 km/h
189 * 1000 / 3600 m/s
189*5/18 m/s
945/18 m/s
315/6 m/s
105/2 m/s
52.5 m/s
in 10 s
52.5*10
525 m
8 16/1000 = 8 2/125
Keep whole number the same, divide the numerator and denominator by 8.
5 the answer I took the test
Answer:
4×10⁶ is the answer.........
