Another way is the formula: 
Πr^2. (pi)(r) squared
Hope this helps!
        
             
        
        
        
Answer: if you mean 2/1 the answer would be 4/2, 6/3 and 8/4 if you mean 1/2 the answer would be 2/4,3/6 and 4/8 good luck!
Step-by-step explanation:
 
        
             
        
        
        
Here are the outcomes. You could also a tree diagram for this:
There are 49 outcomes for this problem. Therefore, 7/49 possible probability that 2 could be orange. To check if i'm correct, use a tree diagram or a compound principle.
        
             
        
        
        
Answer:
5/10
Step-by-step explanation:
0.5 converted to a fraction is 5 out of 10.
Hope this helps!