Thank you for posting your question here in brainly. The scientific notation of 0.000236 cubic meters is 2.36^-4. The Scientific notation is the way the scientists easily handle large numbers or the very small number. I hope my answer helps. 
        
             
        
        
        
The picture is off point so I can’t read the entire paper!! Sorry and GOOD LUCK
        
             
        
        
        
Move the decimal to right 3 times
        
                    
             
        
        
        
For the first triangle add 45 and 95 and subtract it from 180
        
             
        
        
        
It would be about 4/10 of a gallon