7th Class Mathematics Exponents and Power Question Bank Exponents

  • question_answer
    Find the value of K, where K is an integer and \[{{\mathbf{2}}^{\mathbf{K+5}}}\mathbf{\times }{{\mathbf{6}}^{\mathbf{2K-3}}}\mathbf{=}\frac{{{\mathbf{3}}^{\mathbf{-8}}}}{\mathbf{1}{{\mathbf{2}}^{\mathbf{6}}}\mathbf{\times }{{\mathbf{2}}^{\mathbf{3}}}}\]

    A) -5

    B)  -6

    C)  5

    D) -8

    E)  None of these

    Correct Answer: B


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