Thursday, June 7, 2012

How many significant figures are present in the following? (i) 0.0025 (ii) 208 (iii) 5005 (iv) 126,000 (v) 500.0 (vi) 2.0034

How many significant figures are present in the following?
(i) 0.0025
(ii) 208
(iii) 5005
(iv) 126,000
(v) 500.0
(vi) 2.0034
Answer


For information of rules
green colour representing the significant figure 
(i) 0.0025          There are 2 significant figures.
(ii) 208              There are 3 significant figures.
(iii) 5005           There are 4 significant figures.
(iv) 126,000      There are 3 significant figures.
(v) 500.0           There are 4 significant figures.
(vi) 2.0034        There are 5 significant figures.

4 comments:

  1. This comment has been removed by the author.

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  2. 500.0 is a number. In this no, how .0 is a significant figure. Can u help me understand?

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    Replies
    1. 500.0-here the 0 after . is significant b'cuz 500 may mean 500.000001.but 500.0 mean the no. has ended after the last 0.

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    2. because a decimal is there after number 500 therefore this has 4 significant figures

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