Answer:
Hence, we have:
420 hg = 4200000 cg
Explanation:
hg represents hectograms.
and cg represents centigrams.
Also, centigrams is a smaller unit as compared to hectograms.
Also, the conversion of one unit of hectograms to centigrams is given by:
1 hg= 10000 cg
Hence,
420 hg= 420×10000 cg
i.e.
420 hg= 4200000 cg