8th Class Mathematics Sample Paper Mathematics Sample Paper - 8

  • question_answer
    Can you find the square of the following numbers?
    \[{{7}^{2}}\]=                                                      4   9
    \[{{67}^{2}}\]=                                  4    4    8   9
    \[{{667}^{2}}\]=                             4    4   4    8    8    9
    \[{{6667}^{2}}\]=                    4    4    4     4    8    8     8    9
    \[{{66667}^{2}}\]=     4    4    4    4    4     8     8    8     8     9
    \[{{666667}^{2}}\]=    4     4     4      4     4     4      8     8      8     8     8    9
    (a)\[{{6666667}^{2}}\]            
    (b) \[{{66666667}^{2}}\]

    Answer:

    (a) We know that, \[{{67}^{2}}=4489\]
    So, \[{{6666667}^{2}}=\text{ }44444448888889\]                                
    (b) \[{{66666667}^{2}}=\text{ }4444444488888889.~~\]


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