.45*10^4=4500
^ is the usual symbol for powers
        
             
        
        
        
Answer:
The explicit formula of that sequence is T - 5 
Step-by-step explanation:
Let T represent each term in the sequence. So now try replacing T with each term in the sequence. Like this ;
7 - 5 = 2
2 - 5 = -3
-3 - 5 = -8
hope this helps
 
        
             
        
        
        
Answer:  $622.09 
                     
Step-by-step explanation:
You add up all you answers and you get the sum and just put a $ in front of it 
I hope I helped :)