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7th Class Mathematics Exponents and Power Question Bank Exponents and Powers

  • question_answer
    Pooja spends about Rs.40000 each month on utensils hold. If she has about \[1\times {{10}^{8}}\] utensils, what is the total amount of money (in Rs.) spent on the households in one month?

    A)  \[40\times {{10}^{8}}\]                  

    B)  40000

    C)         \[4.0\times {{10}^{14}}\]      

    D)        \[4.0\times {{10}^{12}}\]    

    Correct Answer: D

    Solution :

    Total amount of money spent \[Rs.\,(40000\times 1\times {{10}^{8}})=Rs.\,(4.0\times {{10}^{12}})\]


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