Answer:
315
Step-by-step explanation:
45/60 = 3/4
3/4 * 420 = 315
 
        
             
        
        
        
The answer is 6.87704918
6.9 rounding to the tenth
6.88rounding to the hundredth
6.877rounding to the thousandth <span />
        
             
        
        
        
The answer is 3 and you have to subsitute -6 in for n to get your answer
        
             
        
        
        
Your answer ---> D . 2 2/9