The U.S economy produce 20% of the world's output
It seems you need to move the decimal three times over, then you round the number. So the answer would be 5.5 x 10^3.
Native Americans in the Great Lakes–St. Lawrence Lowlands _____ before the arrival of Europeans.
died out from warfare and disease
were hunters and gatherers
lived in seacoast villages
lived in permanent settlements
Answer:
Hughes is a corresponding increase
