Math Fun Library |
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Question : |
What is 'Rounding Off' in arithmetic ? |
Answer : |
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. |
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.
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