Answer:
9
Step-by-step explanation:
You gave the answer right in your question 
 
        
                    
             
        
        
        
Quotient rule says we can divide 192 and 3 because they are both under the radical. This gives us the square root of 64.
We can also divide x^3 and x to get x^2.
The square root of 64x^2 is 8x
        
             
        
        
        
Total = Principal * e^(rate*years)
Total = 4,500 * 2.718281828459^(.02*4)
Total = 4,500 * 2.718281828459^(.08)
Total = 4,500 *
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1.0832870677
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Total =
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4,874.79
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calculator for checking the answer:
http://www.1728.org/compint.htm
 
        
        
        
9514 1404 393
Answer:
   7.5%
Step-by-step explanation:
The tax as a proportion of the selling price is ...
   ₹(860 -800)/₹800 = 60/800 = 0.075 = 7.5%