1km=10^3 m,1km^3=10^9cubic metres answer is 1.4x10^18cubic meters
3 is 3.81 meters
4 is 0.47 liters
5 is 4 cm
6 is 23 mm
7 is 53 m
8 is 1800 mg
9 is 31.07 mi
Hope I’m helping ya
The change in pitch of a train's horn as it passes while you are
standing still can be described by the Doppler effect, but that
doesn't explain it.
Answer:
I think the answer is b but i cannot confirm cuz this is a challenging question
