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

  • question_answer
    \[{{\left[ {{\left( \frac{2}{13} \right)}^{-6}}\div {{\left( \frac{2}{13} \right)}^{3}} \right]}^{3}}\times {{\left( \frac{2}{13} \right)}^{-9}}\]

    A)  \[{{\left( \frac{2}{13} \right)}^{36}}\]              

    B)  \[{{\left( \frac{2}{13} \right)}^{-36}}\]

    C)  \[{{\left( \frac{2}{13} \right)}^{-36}}\]             

    D)  \[{{\left( \frac{2}{13} \right)}^{-36}}\]

    Correct Answer: D

    Solution :

    (d) \[{{\left[ {{\left( \frac{2}{13} \right)}^{16}}\div {{\left( \frac{2}{13} \right)}^{3}} \right]}^{3}}\times {{\left( \frac{2}{13} \right)}^{-9}}\]\[={{\left( \frac{2}{13} \right)}^{\left\{ -6-3 \right\}\times 3}}\times {{\left( \frac{2}{13} \right)}^{-36}}\].


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