Convert everything to the same unit, then do the addition. Remember that a kilometer is 1000 meters.
Either like this:
(Convert to meters) 3 km + 800 m... = 3000 m + 800 m...
Or:
(convert to km) 3 km + 800 m... = 3 km + 0.8 km...
300m is 0.3 km.
0.3 km
17
30000
0.3 km
Which one is greater 300m or 3km
32 km2
8 km = 8,000 m
8Km = 5 miles 652 Km = 407.5miles
It is: 5.3 km
In 1 km = 1000 m Therefore In 8 km there are 8 x 1000 = 8000 m .
8000 meters is equal to 8 kilometers.