| Math Fun Library |  | 
	  
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	 	| Question : | 
	 
	 
	 		| What is 'Rounding Off' in arithmetic ? | 
 
	  
	 	| Answer :
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			    | To Round off a decimal number means to correct it to a specified 
                  number off significant digits. The following rule is followed 
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			    | i) The number of non-zero digits are retained and the rest on 
                  the right of this are discarded.
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			| ii) If the digit to the immediate right of the last digit retained is grater than 5, the last digit retained is increased by 1.
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			| iii) If the digit to the immediate right of the last digit retained is less than five, the last digit is left unchanged. |