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

  • question_answer
    Cube of \[\left( -\frac{1}{9} \right)\] is............

    A)  \[\left( \frac{-1}{729} \right)\]               

    B) \[\frac{1}{963}\]

    C) \[\frac{1}{850}\]                                              

    D)  \[\left( \frac{1}{729} \right)\]

    Correct Answer: A

    Solution :

    \[{{\left( -\frac{1}{9} \right)}^{3}}=\frac{-{{1}^{3}}}{{{9}^{3}}}=\frac{-1}{729}\]


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