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What is the units digit of 18^{47}
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28 Apr 2026, 08:36
28 Apr 2026, 08:36
1
Expert Reply
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Question Stats:
66% (00:55) correct
33% (00:23) wrong based on 6 sessions
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\(\text { What is the units digit of } 18^{47} \text { ? }\)
A. 0
B. 2
C. 4
D. 6
E. 8
A. 0
B. 2
C. 4
D. 6
E. 8
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What is the units digit of 18^{47}
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29 Apr 2026, 23:49
29 Apr 2026, 23:49
1
Divide 47 by 4 ; We get remainder as 3.
Unit's digit of 18^47 = > 8^47 => 8^3 => 8*8*8 => 4*8 => 32
Hence 2 is the answer.
B is the answer.
Unit's digit of 18^47 = > 8^47 => 8^3 => 8*8*8 => 4*8 => 32
Hence 2 is the answer.
B is the answer.
gmatclubot
What is the units digit of 18^{47} [#permalink]
29 Apr 2026, 23:49
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