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

  • question_answer
    The value of \[x\] so that \[{{\left( \frac{2}{7} \right)}^{4}}.{{\left( \frac{2}{7} \right)}^{3}}={{\left( \frac{2}{7} \right)}^{4x-1}}\] is

    A)  1                                

    B)  2          

    C)  3                                

    D)  4

    Correct Answer: B

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