2,300,000 + 510,000 = 2,810,000  them move a decimal to where is greater then 1 
2.81 x 10^6 but wait, there isnt an answer for this so it has to be 28.1 x 10^5 witch is B
 
        
             
        
        
        
Subtract to find the amount of tax paid then divide the amount of tax paid by the price of the item bought.
7.61 - 6.95 = 0.66 (amount of tax paid)
0.66/6.95 = 0.0949 x 100 = 9.49 %
Answer: 9.49 % (round off as needed)
 
        
             
        
        
        
0.05 is 5 percent is decimal form. In order to get the decimal form of a percentage you have to move your decimal to places left. Your invisible decimal is where the percentage sign at the end of your number is. Hope this helps.
        
             
        
        
        
The answer is B.
Breaking down the operation:
NUmerators: 
x × x = x² and 
+3 × -3 = -9Denumerators: 
x × x = x² and 
+2 × -2 = -4Answer:

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Hope it helped,
Happy homework/ study/ exam!