8th Class Mathematics Sample Paper Mathematics Sample Paper - 3

  • question_answer What is the usual form for \[2.3\times {{10}^{-10}}?\]

    Answer:

    \[2.3\times {{10}^{-10}}=23\times {{10}^{-1}}\times {{10}^{-10~}}\]              \[=\text{ }23\times {{10}^{-11}}~\] \[=\frac{23}{100000000000}\] = 0.0000000023       


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