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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2506
Given Kudos: 1055
GPA: 3.39
(2^3)^2 * 4^-3 =
[#permalink]
19 Mar 2020, 21:56
19 Mar 2020, 21:56
Expert Reply
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Question Stats:
94% (00:25) correct
5% (00:33) wrong based on 19 sessions
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\((2^3)^2 * 4^{-3} =\)
(A) \(\frac{1}{8}\)
(B) \(\frac{1}{2}\)
(C) \(\frac{2}{3}\)
(D) 1
(E) 16
(A) \(\frac{1}{8}\)
(B) \(\frac{1}{2}\)
(C) \(\frac{2}{3}\)
(D) 1
(E) 16
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: (2^3)^2 * 4^-3 =
[#permalink]
20 Mar 2020, 06:27
20 Mar 2020, 06:27
GeminiHeat wrote:
\((2^3)^2 * 4^{-3} =\)
(A) \(\frac{1}{8}\)
(B) \(\frac{1}{2}\)
(C) \(\frac{2}{3}\)
(D) 1
(E) 16
(A) \(\frac{1}{8}\)
(B) \(\frac{1}{2}\)
(C) \(\frac{2}{3}\)
(D) 1
(E) 16
\((2^3)^2 * 4^{-3} =(8)^2 * \frac{1}{4^3}\)
\(=64 * \frac{1}{64}\)
\(=\frac{64}{64}\)
\(= 1\)
Answer: D
Cheers,
Brent
Re: (2^3)^2 * 4^-3 =
[#permalink]
27 Oct 2024, 01:27
27 Oct 2024, 01:27
1
Or (2^3)^2 = 2^6
4= 2^2
4^-3= (2^2)^-3 = 2^-6
2^6 * 2^-6
=2^0
=1
Answer D
4= 2^2
4^-3= (2^2)^-3 = 2^-6
2^6 * 2^-6
=2^0
=1
Answer D
