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What is the units digit of (11)^3 (29)^4 (43)^2 ?
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06 Sep 2022, 16:25
06 Sep 2022, 16:25
Expert Reply
1
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Question Stats:
85% (00:48) correct
14% (01:11) wrong based on 14 sessions
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What is the units digit of \((11)^3 (29)^4 (43)^2\) ?
(A) 1
(B) 3
(C) 5
(D) 7
(E) 9
(A) 1
(B) 3
(C) 5
(D) 7
(E) 9
Part of the project: GRE QCQ & PS 3 Questions Every One DAILY Challenge - (2022) - Gain 20 Kudos & Get FREE Access to GRE Prep Club TESTS
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2508
Given Kudos: 1053
GPA: 3.39
Re: What is the units digit of (11)^3 (29)^4 (43)^2 ?
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11 Sep 2022, 01:53
11 Sep 2022, 01:53
1
Expert Reply
Unit digit of \(11^3 = 1\)
Unit digit of \(29^4 = 1\)
Unit digit of \(43^2 = 9\)
Unit digit of \(1*1*9 = 9\)
Answer: E
Unit digit of \(29^4 = 1\)
Unit digit of \(43^2 = 9\)
Unit digit of \(1*1*9 = 9\)
Answer: E
gmatclubot
Re: What is the units digit of (11)^3 (29)^4 (43)^2 ? [#permalink]
11 Sep 2022, 01:53
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