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NEET Sample Paper NEET Sample Test Paper-64

  • question_answer
    In the final answer of the expression \[\frac{\left( 29.2-20.2 \right)\left( 1.79\times {{10}^{5}} \right)}{1.37}\]. The number of significant figures is

    A) 1                                 

    B) 2

    C) 3                                 

    D) 4

    Correct Answer: B

    Solution :

    \[\frac{(29.2-20.2)(1.79\times {{10}^{5}})}{1.37}\,\,=\,\,\,\,\frac{9.0\times 1.79\times {{10}^{5}}}{1.37}\] Least precise terms i.e., 9.0 has only two significant figures. Hence, final answer will have two significant figures.


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