Answer:

Step-by-step explanation:
The given number is 
We need to write this number in standard form. 
Any no is given in the standard form is given by :

Where
a and b is real no and integer
It means,

Hence, this is the required solution.
 
        
             
        
        
        
Answer:
250%
Step-by-step explanation:
(2 1/2) × 100%
= 250%
= 2.5
 
        
                    
             
        
        
        
Y - 8 =(-8/9)(x - 3)
y - 24/3 = (-8/9)x + 8/3
y = (-8/9)x + 32/3
        
                    
             
        
        
        
1: 0.5 and 50%
2: .2 and 20%
3: .75 and 75%
10: (1/10) and 10%
11: (3/5) and 60%
12: (1/4) and 25%