Significant Figures
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New answer posted•a year ago
In which of the following numerical values, all zeroes are significant?
In which of the following numerical values, all zeroes are significant?
10 Views|Posted a year ago
Asked by Alok Kumar Singh
S
Answered by
a year ago
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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New answer posted•a year ago
Two rods with lengths 20.123 cm and 18.1 cm are placed side by side. The difference in their lengths is
Two rods with lengths 20.123 cm and 18.1 cm are placed side by side. The difference in their lengths is
6 Views|Posted a year ago
Asked by Raj Pandey
S
Answered by
a year ago
(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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