In which of the following numerical values, all zeroes are significant?
In which of the following numerical values, all zeroes are significant?
Option 1 -
Option 2 -
Option 3 -
Option 4 -
Asked by Shiksha User
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1 Answer
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Correct Option - 3
Detailed Solution:In a number without decimal, trailing zeros are insignificant. If a number has a decimal, then preceding zeros are insignificant.
Hence, in 40.40 all zeros are significant
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R
Raj Pandey
(b) L1= Length of rod =20.123cm
L2= Length of rod = 18.1cm
Difference in length 
= 20.123-18.1
=2.0 cm
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