2. Questions Bank
  3. 7th Class
  4. Mathematics
  5. Exponents and Power

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

  • question_answer
    What is the result of \[\frac{2\times {{3}^{4}}\times {{2}^{5}}}{9\times {{4}^{2}}}\]?

    A)  \[36\]                    

    B)         \[42\]

    C)  \[46\]                  

    D)         \[48\]

    Correct Answer: A

    Solution :

     \[\frac{2\times {{3}^{4}}\times {{2}^{5}}}{9\times {{4}^{2}}}=\frac{{{2}^{6}}\times {{3}^{4}}}{{{3}^{2}}\times {{2}^{4}}}\]\[={{2}^{6-4}}\times {{3}^{4-2}}={{2}^{2}}{{3}^{2}}\]\[=4\times 9=36\]


You need to login to perform this action.
You will be redirected in 3 sec spinner