Answer:
We need the choices pls <:
Explanation:
 
        
                    
             
        
        
        
<em>In scientific notation, you move the decimal place until you have a number between 1 and 10. Then you add a power of ten that tells how many places you moved the decimal.</em>
<em>In scientific notation, 39,940,000  becomes 3.994 × 10^7</em>
 
        
             
        
        
        
Answer:
bad stuff
Explanation:
it pretty much damages your brain like it slows it down, you're less focused, it affects your way of thinking as well