Answer:
7³
Step-by-step explanation:
Using PEMDAS, we see that E (which stands for exponents) comes before M (which stands for multiplication) and A (which stands for addition) so the first operation you should do is 7³.
 
        
             
        
        
        
Answer:
50 
Step-by-step explanation:
150-100 = 50
 
        
             
        
        
        
Answer:
Step-by-step explanation:
x= 1/4
 
        
             
        
        
        
Step-by-step explanation:
 
