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JEE Main 2026 (21 Jan, Shift 2) · Significant Figures & Order of Magnitude

Significant Figures & Order of Magnitude question from JEE Main 2026 (21 Jan, Shift 2)

Q1JEE Main 2026 · 21 JAN · SHIFT 2Easy

Significant Figures & Order of Magnitude

Keeping the significant figures in view, the sum of the physical quantities 52.01 m, 153.2 m and 0.123 m is:

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Answer: (a)

  1. 52.01+153.2+0.123=205.333 m52.01 + 153.2 + 0.123 = 205.333\ \text{m}
  2. In addition keep the least number of decimal places: 153.2 has 1.
  3. So the answer is (a) 205.3 m205.3\ \text{m}.
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