Question

Which of the following has the highest number of significant figures?
(a) 0.007 m2 (b) 2.64 x1024kg (c) 0.0006032 m2 (d) 6.3200 J

Answer 1

Answer: 6.3200

Explanation:

1. Only 7 is significant, hence one significant figure

2. 2,6,4 are significant, hence 3 significant figures

3. 6,0,3,2 are significant hence 4 significant figures

4. 6,3,2,0,0, are significant hence 5 significant figures