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Physics
Taking into account of the significant figures, what is the value of 9.99 m - 0.0099 m ?
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Q. Taking into account of the significant figures, what is the value of $9.99 \,m - 0.0099 \,m$ ?
NEET
NEET 2020
Physical World, Units and Measurements
A
9.9801 m
14%
B
9.98 m
60%
C
9.980 m
5%
D
9.9 m
22%
Solution:
$9.99 m -0.0099 m =9.9801 m$
But our answer, Should have same no. of significant figures, as the least accurate number.
$\therefore $ Ans $=9.98 m$.