Answer:
1374
Step-by-step explanation:k= 
1887526.40528 ≈1373.873≈1374
	
 
        
                    
             
        
        
        
Answer:
8x8= 64 divided by 2 = 37
Step-by-step explanation:
 
        
                    
             
        
        
        
25/5=5 5•5=25 there should be a button ur calculator too
        
                    
             
        
        
        
Y = t*e^(-t/2)
y' = t' [e^(-t/2)] + t [e^(-t/2)]' = e^(-t/2) + t[e^(-t/2)][-1/2]=
y' = [e^(-t/2)] [1 - t/2] = (1/2)[e^(-t/2)] [2 - t] = - (1/2) [e^-t/2)] [t -2]