7th Class Mathematics Exponents and Power Question Bank Exponents

  • question_answer
    Which one among the following is wrong statement?

    A) \[{{a}^{m}}+{{a}^{m}}=\text{ }{{a}^{2}}^{m}\], where a is a non-zero rational number and m is a positive integer.

    B) \[{{a}^{p}}\text{ }\times \text{ }{{a}^{q}}=\text{ }{{a}^{pq}}\], where p, q are positive integer.

    C) \[{{4}^{6}}\] is greater than \[~{{8}^{5}}\]

    D)  \[{{2}^{n}}>\text{ }{{n}^{2}}\], where n is a natural number greater than 2.

    E)  None of these

    Correct Answer: D


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