Add the exponents since it’s multiplication, so it would be 2a^7, hope this helps
        
                    
             
        
        
        
The answer to the question
 
        
        
        
 I believe its 45.
Its hard to explain but what I can say is if you subtract the percentage with the total of the skins you would subtract what you had from there and then you would have 45.
 
        
             
        
        
        
Answer:
Step-by-step explanation:
x=0.6121212... (1)
10x=6.121212...   (2)
1000 x=612.121212...   (3)
(3)-(2) gives
990 x=606
330x=202
165x=101
x=(101)/165
 
        
                    
             
        
        
        
2. 83 R 2
3. 82 R 1111 etc