Answer:  
Step-by-step explanation:
 You need to remember the Product of powers property:
 
 Then, knowing this property, now you have to apply the Distributive property. So:
 
 Finally, to simplify this expression, you need to add the like terms. 
 Therefore, you get that the product is:
 
 
        
                    
             
        
        
        
-4000 is the answer, I believe 
        
             
        
        
        
Step-by-step explanation:
We need to find how many miles per hour she is traveling.
this question can be represented by 5/190
5 divided by 190 is equal to 38. Thus, she is traveling 38 miles per hour or 1/38
 
        
             
        
        
        
Step-by-step explanation:
Check second one

- 1/2 means square root

So



Hence.
Domain is restricted
Option B is correct