Question:

A person measures mass of 3 different particles as 435.42 g, 226.3 g and 0.125 g. According to the rules for arithmetic operations with significant figures, the additions of the masses of 3 particles will be.

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When adding or subtracting measurements, the result should have the same number of decimal places as the measurement with the fewest decimal places.
Updated On: Apr 24, 2025
  • 661.845 g
  • 662 g
  • 661.8 g
  • 661.84 g
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The Correct Option is C

Solution and Explanation

\( m_1 + m_2 + m_3 = 435.42 + 226.3 + 0.125 \) \( = 661.845 \) g According to least significant digits m = 661.8 g
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