Answer:
Range - 9
Mean - 16
Step-by-step explanation:
I thinkk
 
        
             
        
        
        
Answer:
60
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
-128
Step-by-step explanation:
(-2)^2  *  (-2)^5 <---
First, add the exponents 
(-2)^7<----
If you evaluate this you will get 
-128
 
        
                    
             
        
        
        
Answer:
2/5, 8/20, 4/10,16/40
Step-by-step explanation:
40%
Percent means out of 100
40/100 = 4/10 = 2/5
Lets look at the choices
8/100 =4/50 =2/25  not equal
2/5  equal
8/20 = 4/10 =2/5 = equal
4/10 = 2/5 = equal
16/40 = 4/10 = 2/5 equal