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NEETChemistrySome Basic Concepts of Chemistry

What is the significance of zeros that precede the first non-zero digit in a number?

Options

  1. AThey indicate the position of the decimal point.
  2. BThey are always considered significant.
  3. CThey are not counted as significant figures.
  4. DThey are rounded to the nearest whole number.

Correct answer

A. They indicate the position of the decimal point.

Step-by-step solution

Zeros before the first non-zero digit in a number indicate the position of the decimal point and are not counted as significant figures.

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