7th Class Mathematics Exponents and Power

  • question_answer 15) Find the number from each of the following expanded forms: (a) \[8\times {{10}^{4}}+6\times {{10}^{3}}+0\times {{10}^{2}}+4\times {{10}^{1}}+5\times {{10}^{0}}\] (b) \[4\times {{10}^{5}}+5\times {{10}^{3}}+3\times {{10}^{2}}+2\times {{10}^{0}}\] (c) \[3\times {{10}^{4}}+7\times {{10}^{2}}+5\times {{10}^{0}}\] (d) \[9\times {{10}^{5}}+2\times {{10}^{2}}+3\times {{10}^{1}}\]

    Answer:

                    (a) \[8\times {{10}^{4}}+6\times {{10}^{3}}+0\times {{10}^{2}}+4\times {{10}^{1}}\]\[+5\times {{10}^{0}}=86045\] (b) \[4\times {{10}^{5}}+5\times {{10}^{3}}+3\times {{10}^{2}}+2\times {{10}^{0}}=405302\] (c) \[3\times {{10}^{4}}+7\times {{10}^{2}}+5\times {{10}^{0}}=30705\] (d) \[9\times {{10}^{5}}+2\times {{10}^{2}}+3\times {{10}^{1}}=900230\]

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