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JEE Main20238 Apr 2023Evening ShiftChemistrySome Basic Concepts of ChemistryActual

Which of the following have same number of significant figures? (A) 0 . 00253 (B) 1 . 0003 (C) 15 . 0 (D) 163 Choose the correct answer from the options given below

Options

  1. AA, B and C only
  2. BC and D only
  3. CB and C only
  4. DA, C and D only

Correct answer

D. A, C and D only

Step-by-step solution

All nonzero digits are significant. All zeros that are found between nonzero digits are significant. Leading zeros (to the left of the first nonzero digit) are not significant. Trailing zeros for a whole number that ends with a decimal point are significant.The number of significant figures of the given numbers are as follows: Numbers No. of significant figures (A) 0 . 00253 3 (B) 1 . 0003 5 (C) 15 . 0 3 (D) 163 3 ∴   (A), (C) and (D) have the same number of significant figures.

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