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7th Class Mathematics Exponents and Power Question Bank Exponents

  • question_answer
    If\[{{\mathbf{3}}^{\mathbf{8}}}{{^{\mathbf{x}}}^{\mathbf{-}}}^{\mathbf{32}}\mathbf{= }{{\mathbf{4}}^{\mathbf{28}}}^{\mathbf{-7x}}\], then find the value of x.

    A)  2         

    B)  3

    C)  4

    D)  6

    E)  None of these

    Correct Answer: C

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