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State the number of significant figures in(i) 0.007 m2 (ii) 2.64 × 1024 kg (iii) 0.2370 g cm-3 (iv) 0.2300m (v) 86400 (vi) 86400 m |
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Answer» (i)1, (ii) 3, (iii) 4, (iv) 4, (v) 3, (vi) 5 since it comes from a measurement the last two zeros become significant. |
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