Three ways are: 1/2, 0.5, 50%
 
        
                    
             
        
        
        
5836200 because it's rounded
        
                    
             
        
        
        
<span>The coefficient for x^7*y is equal to 8Choose7 which is 8!/7! which is 8, or answer b. Pascal's triangle may be used to capture this as well, or use the exponent as above.</span>
        
             
        
        
        
If you are rounding it will be the same thing