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8th Class Mathematics Exponents and Power Question Bank Exponents and Powers

  • question_answer
    \[{{\left( -9 \right)}^{3}}\div {{\left( -9 \right)}^{8}}\] is equal to

    A)  (9)5                             

    B)  \[{{\left( 9 \right)}^{-5}}\]           

    C)  \[{{\left( -9 \right)}^{5}}\]                    

    D)  \[{{\left( -9 \right)}^{-5}}\]

    Correct Answer: D

    Solution :

    (d) \[{{\left( -9 \right)}^{3}}\div {{\left( -9 \right)}^{8}}\]\[={{(-\,9)}^{3-8}}={{(-9)}^{5}}.\]


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