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Solution


Q.

Taking into account of the significant figures, what is the value of 9.99 m – 0.0099 m               [2020]
1 9.9801 m  
2 9.98 m  
3 9.980 m  
4 9.9 m  

Ans.

(2)

9.99-0.0099=9.9801m

Least number of significant figures are 3. Hence, required answer will be 9.98 m.