1) The cost of a cake is \(₹\)210b3c2. It is cut into 10bc pieces. What is the price of each piece of cake?
 
The price of each piece of cake \(= ₹\)iiic
 
[Note: Insert the coefficient followed by a variable with its power.]
 
 
2) Arun has \(₹\)200x2yz with him if he gives \(₹\)80x2yz to his friend what percentage of money is left with him?
 
 
3) a3bab3\(=\)