8x51. 8x50=? 8x5=40. 40 x 10 = 400 8x50=400. 8x1=8 400+8=408.
        
             
        
        
        
1st option, 2nd, 4th and 5th
 
        
             
        
        
        
Answer:
8
Step-by-step explanation:
8^2=64  8*5=40 64-40=24
 
        
             
        
        
        
Distribute -10
-10n - 50 = 40
Add 50 to both sides
-50 + 50 would cancel 
- 50 + 40 = -10
Divide by -10 
-10/-10 = 1
N=1
        
                    
             
        
        
        
Answer:
4 DLLS
Step-by-step explanation: