Answer:
1.5333333
Step-by-step explanation:
7 1/3 + 5 4/5 = 23/15 =1 8/15 =1.53
 
        
             
        
        
        
Answer:
4x109
Step-by-step explanation: 4x109=436 and that is the closest to that number.
 
        
             
        
        
        
Answer:
7x⁷+2x⁻⁴+3 is a Polynomial 
Step-by-step explanation:
I'm sorry I can't explain how I got the answer by hand. I graphed the Equation.