A) 3
B) 7
C) 8
D) 9
Correct Answer: D
Solution :
The last digit in the expansion of \[{{(2457)}^{754}}\]is depend on\[{{(7)}^{754}}\] \[{{(7)}^{754}}={{({{7}^{4}})}^{188}}\times {{7}^{2}}=1\times 49=49\] Hence, last digit is 9.You need to login to perform this action.
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