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If k is an integer such that
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07 Sep 2021, 07:19
07 Sep 2021, 07:19
Expert Reply
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Question Stats:
90% (00:54) correct
10% (01:55) wrong based on 20 sessions
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If k is an integer such that \((−3)^{4k} = 3^{10−k}\), then k =
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
Re: If k is an integer such that
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07 Sep 2021, 08:06
07 Sep 2021, 08:06
1
\((−3)^{4k} = 3^{10−k}\)
\(3^{4k} = 3^{10-k}\)
Compare the power
\(4k = 10 - k\)
\(k = 2\)
Answer B
\(3^{4k} = 3^{10-k}\)
Compare the power
\(4k = 10 - k\)
\(k = 2\)
Answer B
gmatclubot
Re: If k is an integer such that [#permalink]
07 Sep 2021, 08:06
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