The respective number of significant figures for the numbers 23.023, 0.0003 and 2.1 × 10–3 are
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Verified by ExpertsThe correct answer is:
A
Rule : I. We know all non zero digits are significant.
Rule : II. If zero is between two non-zero digits this is also significant.
Rule : III. If zero left to the non-zero digit they are non-significant.
Significant figures for number 23.023 is 5. Using I & II.
Significant figures for number 0.0003 is 1. Using I, II & III.
Significant figures for number 2.1 × 10–3 is 2. Using I.
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