Answer:
by using keystroke codes
by using the character map
by using the Symbols command group
by using the Symbol drop-down arrow
 
        
                    
             
        
        
        
Answer:
The expression is :
π[cd) + π(g,h) ],[π(e,f)+π(a,b)])
We will use foreign key and primary key
 
        
             
        
        
        
<span>If you sort a portion of an Excel sheet and you get an error message such as #DIV/0, the cause of the error message is (B) one or more cells containing absolute cell references. The possible reason of this error message includes: (1) e</span><span>ntering division formula that divided by zero (0), (2) and that is being used as a reference.</span>