Answer: What's the exponents?
Step-by-step explanation:
5.2+3.01=8.21
but then there's no exponents that you stated. So it would be 8.21x10^?
If the tens do have exponents above them, add them together. 
I hope this answer helps you!
 
        
             
        
        
        
If only it was in english i could of read it and gave you the answer
        
             
        
        
        
Answer:
I believe that g=dc
Step-by-step explanation:
You swap positions with g and c along with their sign of operation.
 
        
             
        
        
        
Answer:
z = 69
Step-by-step explanation:
43 - 20 = z/ 3
23 = 
 cross multiply 
z = 23 x 3
z =69
 
        
             
        
        
        
Answer:
863,352
Step-by-step explanation:
i used my calculator