The common ratio of 2, 10/3, 50/9 is 
<u>Solution:</u>
Given, series of elements are 
We have to find the common ratio of the above given series.
We know that, common ratio of an G.P is division of any number in that series with the previous number of the series.
So, now take  and 2
 and 2 


Hence, the common ratio of the given series is 
 
        
             
        
        
        
Answer:NO, NO, YES
Step-by-step explanation:
 
        
             
        
        
        
Answer:
No
Step-by-step explanation:
70 * 8 = 560, not 490
Instead, 70 * 7 = 490
 
        
                    
             
        
        
        
Answer:
.31
Step-by-step explanation:
155 / 5        31/100
500/ 5
31÷100
Long Division for 31 divided by 100
 round to a Max of 3 Decimal gives us
=0.31