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

  • question_answer
    Express\[\underline{a\times a\times a}\]\[\times \]\[\underline{c\times c\times c\times c}\]\[\times \]\[b\times b\]in exponential form.

    A) \[{{a}^{3}}{{c}^{3}}{{b}^{3}}\]                            

    B) \[{{a}^{3}}{{c}^{3}}b\]

    C) \[{{a}^{3}}{{c}^{3}}b\]                               

    D) \[{{a}^{3}}{{c}^{4}}{{b}^{2}}\]

    Correct Answer: D

    Solution :

    (d) a three times \[\Rightarrow {{a}^{3}};\,\,\,\,c\] four times \[\Rightarrow {{c}^{4}};\,\,\,\,b\] two times \[\Rightarrow \]\[{{b}^{2}}\] \[\therefore \]\[{{a}^{3}}{{c}^{4}}{{b}^{2}}\]


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