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

  • question_answer
    Find the numerical value of\[{{16}^{0.75}}\].

    A)  8                                

    B)  32            

    C) \[{{2}^{-3}}\]         

    D) \[{{4}^{-3}}\]

    Correct Answer: C

    Solution :

    (a) \[{{16}^{\frac{3}{4}}}={{\left( {{2}^{4}} \right)}^{3/4}}={{2}^{\bcancel{4\times \frac{3}{4}}}}\] \[={{2}^{3}}=8\]       


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