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Physics · UNITS AND MEASUREMENT

हिन्दी

Each side of a thin square sheet is measured to be \( 4.12\text{ m} \). The surface area of the square sheet, reported to the correct number of significant figures, is:

  1. \( 16.9744\text{ m}^2 \)
  2. \( 16.97\text{ m}^2 \)
  3. \( 17.0\text{ m}^2 \)
  4. \( 17\text{ m}^2 \)

Correct answer · Option 3

\( 17.0\text{ m}^2 \)

Explanation

The side has 3 significant figures. Calculated area \( = (4.12)^2 = 16.9744\text{ m}^2 \). Rounding to 3 significant figures gives \( 17.0\text{ m}^2 \).
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