347 km to the nearest 100 km is 300 km. since 300 is close to 347
200 km
28 km
As a wild guess, I would say that is is a km.
0.4 km
68 km
11,000 km
It depends on the units for 20.72. 20.72 metres, rounded to the nearest tenth km is 0.0 km.
It is: 10 km
The answer is 13,000km
12.0 km
3 km