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\left. \begin{array} { l } { \text { ct } ( 2137 ) ^ { 753 } \text { is: } } \\ { \text { (b) } 3 } \end{array} \right. |
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Answer» 2137's last digit is 7so 2137's last digit is 7 2137^2's last digit is 9 2137^3's last digit is 3 2137^3's last digit is 1so 7,9,3,1 pattern is repeatingnow 753=188×4+1so (2137)^(753)'s last digit is 7. |
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