Answer:
7 digits can be used for each position
There are a total of 5 positions
N = 7^5 = 16,807 numbers
You have 7 choices for the first position, second position, etc.
 
        
             
        
        
        
Step-by-step explanation:
Can't see anything 
Please be more specific 
 
        
             
        
        
        
Answer: c the x-and y-coordinates are switched
        
             
        
        
        
Answer:
The length of each edge of the cube is 1 unit.
Step-by-step explanation:
Volume of the cube = x * x * x = x^3
So x^3 = 1
x = 1.