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# The value of (3^−8+3^−9+3^−10+3^−11)/4 is how many times the value of

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The value of (3^−8+3^−9+3^−10+3^−11)/4 is how many times the value of  [#permalink]

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Updated on: 10 Apr 2019, 12:51
1
00:00

Difficulty:

35% (medium)

Question Stats:

75% (01:30) correct 25% (01:52) wrong based on 16 sessions

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The value of $$\frac{3^{−8}+3^{−9}+3^{−10}+3^{−11}}{4}$$ is how many times the value of $$3^{-11}$$?

A. 3
B. 4
C. 5
D. 8
E. 10

Originally posted by kiran120680 on 10 Apr 2019, 12:13.
Last edited by Bunuel on 10 Apr 2019, 12:51, edited 1 time in total.
Formatted.
Manager
Joined: 21 Feb 2019
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Re: The value of (3^−8+3^−9+3^−10+3^−11)/4 is how many times the value of  [#permalink]

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10 Apr 2019, 14:57
$$\frac{3^{-11}(1+3+9+27)}{4}$$

$$3^{-11}*10$$

Pick E.
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Re: The value of (3^−8+3^−9+3^−10+3^−11)/4 is how many times the value of   [#permalink] 10 Apr 2019, 14:57
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