Y=x^-3...................
        
             
        
        
        
Answer:
n = 18
Step-by-step explanation:
when you are multiplying, you add the exponents. 2 + x = 20. so by using subtraction we find that x = 18.
 
        
             
        
        
        
-11 degrees. 6+5=11, and it went down, so negative 11 degrees
 
        
        
        
700 times 3 is 2,100, You get 700 from estimating 697