0
Anonymous
77mm = 0.000077km
Wiki User
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77mm is greater.
2.56 km + 8420 m = 22.56 km + 8.42 km = 30.98 km
4 km + 350 km = 354 km = 350,000 metres
the k means a thousand of them, so a km is 1000 meters and it is bigger.
8.2 km