Answer:
0.826 g/cm³
Explanation:
density = mass/volume
density = 715 g/866 cm³
density = 0.82564 g/cm³
Rounded to 3 significant figures: 0.826 g/cm³
 
        
             
        
        
        
Hey there
the answers are
A.
and
 D. He could spray the fire extinguisher in the opposite direction of the space station 
hope this helps 
 
        
                    
             
        
        
        
Answer:
i can't understand the question
 
        
             
        
        
        
One half-life: 5 grams
Two half-lives: 2.5 grams