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
Option 1 -
2 cm
Option 2 -
2.0 cm
Option 3 -
2.02 cm
Option 4 -
2.023 cm
Asked by Shiksha User
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1 Answer
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Correct Option - 2
Detailed Solution:(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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A
alok kumar singh
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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