A decimetre is 1/10 of a metre so there are 8000 of them in 800 metres. To find out how many lengths need to be swum we need to divide 8000 by 350. That gives 22.86, so the swimmer will have to complete almost 23 lengths to cover 800 metres.
1 decimeter = 0.1 meters
1 decimeter=0.1 meters
1 decimeter=0.1 meters
1 decimeter=0.1 meters
1 decimeter=0.1 meters
1 decimeter=0.1 meters
1 decimeter=0.1 meters
1 decimeter=0.1 meters
No. 1 decimeter=0.1 meters. You need 100 decimeter in order to equal 10 meters
1 decimeter=0.1 meters
1 decimeter=0.1 meters
1 decimeter=0.1 meters