Answer:
4
Step-by-step explanation:
devide 144 by 9
get 16 
The base squared is 16 
find the root of 16
get 4 
4 is your awnser
 
        
             
        
        
        
It would be: k+3 = 10
subtracting 3 from both sides,
k+3-3 = 10-3
k=7
 
        
             
        
        
        
For this case we have the following conversions:
 
 We must apply the conversions to move from kilometers to feet.
 We have then: 

 Rounding off we have:
 10501 feet 
Answer:
 there are 10501 feet in 3.2 km