NCERT Exercise 1.10 - Units and Measurements
Question: State the number of significant figures in the following: (a) 0.007 m² (b) 2.64 × 10²⁴ kg (c) 0.2370 g cm⁻³ (d) 6.320 J (e) 6.032 N m⁻² (f) 0.0006032 m².
Answer: (a) **1**, (b) **3**, (c) **4**, (d) **4**, (e) **4**, (f) **4**.
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