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7th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-19

  • question_answer
    Simplify:\[\frac{3.2\times {{10}^{-3}}+2.5\times {{10}^{-4}}+4.5\times {{10}^{-5}}}{5}\]

    A)  \[4.79\times {{10}^{-4}}\]                   

    B)  \[6.78\times {{10}^{-3}}\]

    C)  \[7.64\times {{10}^{-3}}\]                   

    D)  \[6.99\times {{10}^{-4}}\]

    E)  None of these

    Correct Answer: D

    Solution :

     Not Available


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