Answer:
$427.72
Step-by-step explanation:
32/100×$629
=$201.28
$629-$201.28
=$427.72
or
100-32
=68
68/100×$629
=$427.72
 
        
             
        
        
        
Answer:
Bill received 13.68 change back.
Step-by-step explanation:
20-6.32=13.68
 
        
                    
             
        
        
        
There is a 3% chance of each light bulb being defective, and we only want 5 of them to be defective. The chance is then:

Or this really small number: 1.13474853e-8