7.8 x 100 = 780
7.83 x 10,000 = 78,300
        
                    
             
        
        
        
Mass = density x volume 
1st we need to get the volume 
V = (25*10^-1) * (1.8) * (3) 
V = 13.5 cm3 
mass = 2.53 * 13.5 
mass = 34.155 kg 
        
             
        
        
        
Answer:
the overall verical change is down 296 feet
Step-by-step explanation:
-296+140= -156
-156-140=-296
 
        
             
        
        
        
We have to find the volume of tank. The tank is in cuboid or rectangular prism shape
Volume = depth*height*width
 = 12*24*18
 = 5184 cubic inches