expanded form

a while ago in class we learned about expanded
 form like 197 would be 100 + 90 + 7 and 347,350,000,000,000,000,000
,000,000, would be 300,000,000,000,000,000,000,000,000 + 40,000,000,000,000,000,000,000,000 +7,000,000,000,000,000,000,000,000 + 300,000,000,000,000,000,000,000 + 50,000,000,000,000,000,000,000