Answer:
It is not 502.4 it was on 1 of my test its 669.9in3
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
3,-1,-5 = -3
Step-by-step explanation:
The 3 odd numbers cannot be all negative ,the result would be  less than -3
 
        
             
        
        
        
Answer:
9 · x - 16
Explanation:
Nine times a number: 9 · x
Decreased by 16: - 16
Put them together: 9 · x - 16
 
        
             
        
        
        
Answer:

Step-by-step explanation:
refer to solution in the picture 
 
        
             
        
        
        
The answer = 6.3 × 10-2
(scientific notation)
= 6.3e-2
(scientific e notation)
= 63 × 10-3
(engineering notation)
(thousandth; prefix milli- (m))
= 0.063
<span>(real number)</span>