If I were you, I would search it up on VirtualNerd but you first undo using the opposite of PEDMAS and if you divide or multiply with a negative integer, the direction of the inequality thing in the middle of the equation switches directions.
        
             
        
        
        
Answer:
.61 cents
Step-by-step explanation:
explanation is in the picture above
 
        
                    
             
        
        
        
Answer:
3.78
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
a + m = 2+ a
Step-by-step explanation:
We don't know the amount of apple granola and the amount of the maple granola. So we just set an equation.
 
        
             
        
        
        
Answer:
omg 
I 
1. 3×3×3×3 = 81
2. 2²a³
3. (-5)³ (-5×-5×-5) = -125
4. 1
5. a^m-n
II
1. 1.6807× 10⁴
2. (7×7×7) × (2×2×2×2×2×2) = 21952
3. 32²
4. 2187
5. 803025