Answer:
1
Step-by-step explanation:
everything rise 0 power is 1. 
 
        
             
        
        
        
Astronomers deal with objects in space, so it's most likely they would use geometry to determine how far they are, how big they are, etc.
Have a nice day! :)
        
                    
             
        
        
        
Answer:
C
Step-by-step explanation:
Hope this is right, this is what I got.
 
        
                    
             
        
        
        
Answer:
   g ≈ 34.7 in
Step-by-step explanation:
The law of sines is useful for this:
   f/sin(F) = g/sin(G)
Multiplying by sin(G), we have ...
   g = f·sin(G)/sin(F) = (61 in)·sin(34°)/sin(79°)
   g ≈ 34.7 in