What is the units digit of \(19^{40}?\)

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by M7MBA » Sun Jun 21, 2020 2:01 pm

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What is the units digit of \(19^{40}?\)

A) 9
B) 4
C) 3
D) 2
E) 1

[spoiler]OA=E[/spoiler]

Source: Manhattan GMAT

Source: Beat The GMAT — Problem Solving | Sun Jun 21, 2020 2:01 pm

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