Answer:
it is c
Step-by-step explanation:
tje biggest is 34-9 which is smallest and get 25
 
        
             
        
        
        
Based on the scenario, the initial temperature would be :
28 = (60) (1/2)^x/30 + 20
 
(60) (1/2)^0/30 + 20 = 60 + 20 = 
80 C
Hope this helps
        
             
        
        
        
Answer:
2.57 x 10^1 
is the scientific notation of 25.7
 
        
             
        
        
        
The answer to the question is d