Answer:
its step 4
Step-by-step explanation:
 
        
                    
             
        
        
        
To find mean you add all the values in your data together and divide by the # of values you have.
        
                    
             
        
        
        
???????? Left or right ???!!!
        
             
        
        
        
Answer:
1
Step-by-step explanation:
10³/10³
10³-³
10⁰=1
Formula a¹÷a¹=a¹-¹=a⁰. (Exponents and Powers)
And 
a⁰=1
hope it helps..