Answer:
90000 km
Step-by-step explanation:
1 hour = 3600 sec
distance = speed x time
= 25 km/s x 3600 s
= 90000 km
standard form = 9 x 10⁴
We just have to do 15 ÷ 15/4 = 15 * 4/15 = 4.
D: 57 units
hope this helps!!
