Which of the following is a correctly reported confidence interval? (3.782 +/- 0.02) s O (4 +/- 0.1) s (3.782 +/- 0.002) s O (5.27 +/- 0.23) s
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We can see in option 1:
The uncertainty is in hundredth part (because0.02) therefore writing number beyond 100th place is meaningless.
Therefore first option is incorrect.
similarly we can see 2nd and 4th options are also incorrect.
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