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1. If the
first "extra" digit is LESS than 5-drop it. Now
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the last digit
of the number remains the same.
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Ex. 4.321 becomes
4.32
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2. If the
first "extra" digit is 5 or MORE than 5, drop
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the number and
increase the last significant digit by 1.
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Ex. 4.336 becomes
4.34
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What is this
"even/odd rule" I keep hearing about?
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When digit is
exactly 5: option will give an even number
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as the answer
(last digit is 0, 2, 4, 6, or 8). Refer to the
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examples above.
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