A) \[(-81\widehat{i}\,\,+\,\,81\widehat{j})\,\,\times \,{{10}^{2}}\]
B) \[(81\widehat{i}-81\widehat{j})\times {{10}^{2}}\]
C) \[(63\widehat{i}\,\,-\,\,27\widehat{j})\,\,\times \,{{10}^{2}}\]
D) \[(-63\widehat{i}+27\widehat{j})\times {{10}^{2}}\]
Correct Answer: C
Solution :
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