A) 2
B) 4
C) 6
D) 8
Correct Answer: B
Solution :
\[{{2}^{1}}=2;\,\,{{2}^{2}}=4;\] \[{{2}^{3}}=8;\,\,{{2}^{4}}=16;\,\,{{2}^{5}}=32\] \[\therefore \]Unit?s digit in the product of\[{{(122)}^{173}}\] \[=\]Units digit in\[{{(122)}^{1}}=2\] (\[1=\]remainder when \[173\] is divided by\[4\]).You need to login to perform this action.
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