Answer:
38,400 bacteria
Step-by-step explanation:
Because there are 24 hours in a day, it will double 4 times
2400times 2 equals 4800 (1st)
4800 times 2 equals 9600 (2nd)
9600 times 2 equals 19200 (3rd)
19200 times 2 equals 38400 (4th)
 
        
             
        
        
        
One with 40cm being the side, 70 diagonal and 80 as the base so it is a right angle triangle
        
                    
             
        
        
        
Answer:
N:ki n:kn:kNN 
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
2 pairs of opposite parallel sides is parallelogram 
 
        
             
        
        
        
Try going through the formula which is 2 pi r
so 2*3.14*7