How to right this in expanded form 208,000,478?

208000478 in expanded form = (2 x 100000000) + (0 x 10000000) + (8 x 1000000) + (0 x 100000) + (0 x 10000) + (0 x 1000) + (4 x 100) + (7 x 10) + (8 x 1)    

Also put this in Mathematics next time.

Some of their responsibilities are to evaluate safety, efficiency, and effectiveness of the biomedical equipment. train people on how to properly operate biomedical equipment. lastly is to research the engineering aspects of the biological systems of humans and animals.