11th Class Chemistry Some Basic Concepts of Chemistry

  • question_answer 68)   How many significant figures should be present in the answer of the following calculation? \[\frac{2.5\times 1,25\times 3.5}{2.01}\]                

    Answer:

      Number          Significant figures 2.5                           2 1.25                            3 3.5                           1 2.01                         3 Thus, in the calculation      \[\left[ \frac{2.5\times 1.25\times 3.5}{2.01} \right]\]   involving multiplication and division, the number of significant figures will be (2).


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