Answer:
200,000,000
+ 0
+ 8,000,000
+ 400
+ 70
+ 8
Step-by-step explanation:
8,000,000
400
70
8
Add up those values straight down to end up with 208,000,478
You can also write the number as
2*10^8 + 8*10^6 + 4*10^2 + 7*10^1 + 8*10^0
