Answer:
-2150000
Step-by-step explanation:
I hope this right cause my head hurt doing that
 
        
             
        
        
        
Answer:
24.5
Step-by-step explanation:
If you multiply 2 and 24.5 together you would get 49 
 
        
                    
             
        
        
        
The product will be 40 I believe?
        
             
        
        
        
ANSWER:
The surface area of the star is 3.2700 x  square kilometres.
 square kilometres.
EXPLANATIONS:
Diameter of the star = 1.8083 x  Km.
 Km.
Surface area of the star = 4
Where n is the radius of the star.
So that;
 n =  
 
    = 0.90415 x 
n =  0.90415 x  Km
 Km
Thus,
Surface area = 4 x 
                      = 326994889
Surface area = 3.2700 x  
 
Therefore, the surface area of the star is 3.2700 x  square kilometres.
 square kilometres.
 
        
             
        
        
        
Answer: x=7
Step-by-step explanation:
3x=21
21 divided by 3 is 7
so x equals 7