Multiple choice

How many significant figures does the length of an object have after measurement 4567.81?

  1. 5

  2. 4

  3. 7

  4. 6

  5. None of these
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A Correct answer
Explanation

Yes, it is correct. The length of an object reported after measurement 4567.811cm has five significant figures, the digits 4, 5, 6, 7 are certain while the digit 8 is uncertain. ( Only the reliable digits plus the first uncertain digit are known as significant digits).

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