I hope I helped you
Step-by-step explanation:
First you solve: 25:5=? 
After: the number you find×8=?
And:?+5=?
The number -2
 
        
             
        
        
        
Answer:
53
Step-by-step explanation:
i had to use this old method (pic related).
 
        
             
        
        
        
Answer:
6^10 over 7^6.
Step-by-step explanation:
 (6^5 over 7^3)^2
= 6^(5*2) / 7^(3*2) 
=  6^10 over 7^6.
 
        
             
        
        
        
Answer: (a) 
(b) 
(c) 
(d) 
Step-by-step explanation:
Properties of exponents :
1) 
2) 
3) 
4) 
Now , we simplify the given expression using the above properties.
a) 
 [By property (1)]
   [By property (1)]
 [∵ (+)(-)=(-)]
  [∵ (+)(-)=(-)]
b) 
 [By property (3)]
  [By property (3)]
 [∵ (-)(-)=(+)]
   [∵ (-)(-)=(+)]
c) 
 [By property (2)]
    [By property (2)]
 
   
 [By property (4)]
       [By property (4)]
d) 
 [By property (3)]
        [By property (3)]
 
   
 
        
             
        
        
        
Answer:
0.25 or 1/4
Step-by-step explanation: