Answer:
7.5 * 10^-4
Step-by-step explanation:
To express this, we will have to multiply 750 by the conversion unit 
we have this as;
750 * 10^-6
750 = 7.5 * 10^2
so we have;
7.5 * 10^2 * 10^-6
= 7.5 * 10^(-6+2)
= 7.5 * 10^-4 
 
        
             
        
        
        
Answer:
What is the variance? 84000
  What is the standard deviation, rounded to the nearest whole number? 290
5 stars if this helped  
Step-by-step explanation:
 
        
             
        
        
        
What? Add more detail please
        
             
        
        
        
Answer:
8
Step-by-step explanation:
8 - 11 = -3 :)