8th Class Mathematics Exponents and Power Question Bank Exponents and Powers

  • question_answer
    What is the value of \[({{3}^{0}}-{{4}^{0}})\times {{5}^{-3}}\]?

    A)  \[25\]                                  

    B)  \[0\]                    

    C)  \[-25\]                

    D)         \[-125\]                              

    Correct Answer: B

    Solution :

    Since \[{{a}^{o}}=1\] for any 'a', \[\left( {{3}^{0}}-{{4}^{0}} \right)\times {{5}^{-3}}=(1-1)\times {{5}^{-3}}=0\]


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