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

  • question_answer
    What is the value of \[{{2}^{7}}\times {{5}^{3}}\]?

    A)  \[7500\]                             

    B)  \[16000\]  

    C)  \[11200\]                           

    D)  \[14000\]

    Correct Answer: B

    Solution :

      Expand \[{{2}^{7}}\times {{5}^{3}}\]and find the product of the prime factors. \[{{2}^{7}}\times {{5}^{3}}=\] \[2\times 2\times 2\times 2\times 2\times 2\times 2\times 5\times 5\times 5=128\times 125=16000\]


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