7th Class Mathematics Sample Paper Mathematics Sample Paper-2

  • question_answer
    Which one of the following is correct statement?

    A) \[a+a+a+----(n\,times)={{a}^{n}}\]

    B) \[a\times a\times a\times ----(n\,times)={{n}^{a}}\]

    C) \[\frac{{{a}^{m}}}{{{b}^{m}}}={{\left( \frac{a}{b} \right)}^{m}}\]

    D) \[\frac{{{a}^{m}}}{{{a}^{n}}}={{a}^{m+n}}\]

    E) None of these

    Correct Answer: C


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