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Physics · UNITS AND MEASUREMENT

हिन्दी

When rounding off numbers according to standard conventions, if the insignificant digit to be dropped is 5, and the preceding digit is even, then:

  1. The preceding digit is raised by 1
  2. The preceding digit is left unchanged
  3. The preceding digit is decreased by 1
  4. The number is rounded to the nearest integer

Correct answer · Option 2

The preceding digit is left unchanged

Explanation

By convention, if the insignificant digit is 5 and the preceding digit is even, the insignificant digit is simply dropped and the preceding digit is left unchanged.
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