The answer is 5z or 5xz Product is just a word for multiply
        
                    
             
        
        
        
Answer: the 3
Step-by-step explanation:
It goes ones, tens, hundreds, thousands, etc. You round the 3 (down, less than 5) because that is in the hundreds place.
 
        
                    
             
        
        
        
Answer:
the first cell next to 3 (time hours x) is 300
the  point is (3, 300)
the second cell is 1000
the point is (10,1000)
the values for the second table should be the same if they have the same unit rate which is 100 watts per hour
Step-by-step explanation:
If there is 100 watts perhour just multiply the  number of hours by this unit
 
        
             
        
        
        
Step-by-step explanation:
3 1/6 = 19/6 
That is = 19/6 - 1/4
Take LCM = (38 - 3)/12
= 35/12 that's it I think is this what you wanted?