4) Convert
(e) 908mgintodag
We know that,
1mg=110000dag
⇒ 908mg=90810000=0.0908dag
908mg=0.0908dag
3 ) Convert
(b) 8kg2hg4dagintog
(a) 7809mgintog
( c) 3.89gintomg
(h) 47.38gintogandmg