Answer:
The initial value of 600 is larger and larger by 24. 
Step-by-step explanation:
First of all a 20% decreased of 600.
So, the new value will be  .
.
Now, then it is increased by 20% i.e. 480 will be increased by 20%.
So, the new value will be  .
.
Therefore, the initial value of 600 is larger and larger by (600 - 576) = 24. (Answer)
 
        
             
        
        
        
Answer:
A = 7,241.2454026112  square mm.
or exact : A = 2,304.96*π  sq mm
Step-by-step explanation:
Cylinder formula:   A = π* r^2 +  2 *π * r* h  +  π*r^2
is the surface area.
d = 2r = 39.2 mm
h = 39.2 mm
r = 19.6 mm
A = π* r^2 +  2 *π * r* h  +  π*r^2
A = 2* π* (19.6)^2  + 2π (19.6)*(39.2)  
A = 2,413.748467537 +  4,827.496935
A = 7,241.2454026112  square mm.
or 
A =  2*pi* (768.32 + 384.16)
A = 2*1,152.48* pi
A = 2,304.96*π  sq mm
 
        
             
        
        
        
Answer:
answers down below :p
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer: you can find the area of a circle by multiplying the radius by pi and then squaring it by 2
Step-by-step explanation:
 
        
             
        
        
        
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