7th Class Mathematics Exponents and Power Question Bank Exponents

  • question_answer
    Which among the following is not equal to 1?

    A) \[\frac{{{2}^{8}}\times 32}{8\times 1024}\]

    B)  \[[{{(-2)}^{6}}\times {{2}^{-4}}]\div \frac{{{(-2)}^{8}}}{64}\]

    C)  \[\frac{{{3}^{-1/3}}}{81}\times \frac{{{3}^{-11/3}}}{{{3}^{-8}}}\] 

    D)  \[\frac{{{3}^{-5/4}}\times {{3}^{-15/4}}}{{{(2+7)}^{-2}}}\]

    E)  None of these

    Correct Answer: D


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