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If m is an integer such that (-2)^2m = 2^{9 - m}, then m=
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10 Jul 2020, 08:00
10 Jul 2020, 08:00
Expert Reply
00:00
Question Stats:
90% (00:49) correct
10% (03:41) wrong based on 20 sessions
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If m is an integer such that \((-2)^{2m} = 2^{9 - m}\), then m=
(A) 1
(B) 2
(C) 3
(D) 4
(E) 6
(A) 1
(B) 2
(C) 3
(D) 4
(E) 6
Re: If m is an integer such that (-2)^2m = 2^{9 - m}, then m=
[#permalink]
10 Jul 2020, 08:00
10 Jul 2020, 08:00
Expert Reply
Post A Detailed Correct Solution For The Above Questions And Get A Kudos.
Question From Our New Project: GRE Quant Challenge Questions Daily - NEW EDITION!
Question From Our New Project: GRE Quant Challenge Questions Daily - NEW EDITION!
Re: If m is an integer such that (-2)^2m = 2^{9 - m}, then m=
[#permalink]
12 Jul 2020, 23:02
12 Jul 2020, 23:02
Since base is same so,
2m = 9 - m
2m+m = 9
3m = 9
m = 3
Just wondering about minus sign with 2 in question stem. We have to ignore it?
2m = 9 - m
2m+m = 9
3m = 9
m = 3
Just wondering about minus sign with 2 in question stem. We have to ignore it?
