Answer:
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Step-by-step explanation:
zhzjznzmmsmsz
 
        
             
        
        
        
Answer:
sorry im middle school we can still hang though
Step-by-step explanation:
 
        
             
        
        
        
The answer is the first one.
Knowing that population density is like a rate, people per a given area, you would take the amount of people and divide by the area.
3.11E7/7.69E6 = 4.02 people per km squared.
Also the “E” is another way to write times 10 to a power and I recommend using that notation when plugging it into a calculator.
 
        
             
        
        
        
5 because this is equivalent to 9-4 which is 5 meters, this is because he is going up 9 and then goes down 4, do 9-4, which is 5