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SSC Sample Paper Mock Test-1 SSC CGL Tear-II Paper-1

  • question_answer
    If\[3.245\times 10{{h}^{k}}=0.0003245,\]then the value of k is

    A)  \[4\]                            

    B) \[-\,\,4\]

    C)  \[3\]                            

    D)  \[5\]

    Correct Answer: B

    Solution :

    \[3.24\times {{10}^{k}}=0.0003245\] \[{{10}^{k}}=\frac{0.0003245}{3.245}\] \[{{10}^{k}}=\frac{3.245\times {{10}^{-4}}}{3.245}\] \[{{10}^{k}}={{10}^{-4}}\] \[k=-\,\,4\]


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