We try the all of the numbers until we find it 
1*1=1
2*2=4
3*3=9
4*4=16
5*5=25
6*6=36
7*7=49
So the answer is 7
        
             
        
        
        
Answer:
3.024 is greater.
Step-by-step explanation:
3.05 is greater because it expanded is 3.050 vs. 3.024. 3.024 is closer to 1, so it's greater.
 
        
             
        
        
        
1580 I assume srry if it is incorrect 
        
                    
             
        
        
        
Answer:
first one is A  and the second one is B.
Step-by-step explanation:
 
        
                    
             
        
        
        
I think the answer above is correct