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If (7^(3/4))^n = 7, what is the value of n?

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If (7^(3/4))^n = 7, what is the value of n?  [#permalink]

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New post 08 Oct 2018, 01:59
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

93% (00:31) correct 7% (02:09) wrong based on 70 sessions

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Re: If (7^(3/4))^n = 7, what is the value of n?  [#permalink]

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New post 08 Oct 2018, 02:03
Bunuel wrote:
If \((7^{\frac{3}{4}})^n = 7\), what is the value of n?


(A) 1/3

(B) 2/3

(C) 4/3

(D) 5/3

(E) 6/3


7^(3/4)^n = 7^1
7^(3/4*n) = 7^1

(3/4)*n = 1
n = 4/3

Answer choice C

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Re: If (7^(3/4))^n = 7, what is the value of n?  [#permalink]

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New post 08 Oct 2018, 02:05
The logic is that 7^x will be 7 when x=1.

So C

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If (7^(3/4))^n = 7, what is the value of n?  [#permalink]

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New post 08 Oct 2018, 07:55
Bunuel wrote:
If \((7^{\frac{3}{4}})^n = 7\), what is the value of n?


(A) 1/3

(B) 2/3

(C) 4/3

(D) 5/3

(E) 6/3

\((7^{\frac{3}{4}*\frac{4}{3}}) = 7\), Hence Answer must be (C)
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If (7^(3/4))^n = 7, what is the value of n?   [#permalink] 08 Oct 2018, 07:55
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If (7^(3/4))^n = 7, what is the value of n?

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