1020 + 1020 = 2040
%60 of 1020 is:612
2040+612=2652
so third one is true
        
                    
             
        
        
        
The answer is 4260, you can do 200 plus 60, then add to 4000
        
                    
             
        
        
        
Use algo como cymath. It’s a calculator and it works very well
        
             
        
        
        
Answer:
BPEMDAS (brackets, parentheses, exponents, multiplication and division, addition and subtraction)- Left to right
Notes: Two negatives make a positive. When you have an odd exponent of an negative number, you get a negactive result. 
2-(-8)+(-2)³
10-8
2
Hope this makes sense! :)
 
        
             
        
        
        
It is 7 cuz u - 2 and add 5 and 2-6=4+5=9-2=7