Question

2.10 State the number of significant figures in the following:
(a) 0.007 m2
(b) 2.64 x 1024 kg
(c) 0.2370 g cm-​

Answer 1

Answer:

The given quantity is 0.2370 g cm-3. For a number with decimals, the trailing zeroes are significant. Hence, besides digits 2, 3 and 7, 0 that appears after the decimal point is also a significant figure. The given quantity is 6.320 J.

Answer 2

Answer:

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