If Carly had more DVDs than Rob then you would subtract her amount away from the total. 42-4=38
        
             
        
        
        
The rule is to subtract 6
        
                    
             
        
        
        
Answer:
The correct option is;
C) 6554
Step-by-step explanation:
The given data are;
Day,   Amount of change in Bacteria
1,            2
2,          -8
3,           32
4,          -128
Given that the data follows a geometric sequence, we have;
The first term of the series = 2, the common ratio = -4, the sum of a geometric progression is given by the following formula;

Which gives;

Therefore, the correct option is C) 6554.
 
        
             
        
        
        
Answer:Letter D.
Step-by-step explanation: