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0.91^8/0.91^9

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0.91^8/0.91^9 [#permalink] New post   12 Oct 2022, 01:13
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Quantity A
Quantity B
\( \frac{0.91^8}{0.91^9}\)
1


A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.


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0.91^8/0.91^9 [#permalink] New post   12 Oct 2022, 10:32
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Pattern question

Quantity A
(0.91)^(8)/(0.91)^(9) ~ (0.91)/(0.91)^2
0.91/(0.8281) = 1.09
For Pattern just try two- three steps
No need for 8th and 9th power

Quantity B
1
1.09 > 1 so Answer A
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0.91^8/0.91^9 [#permalink]
12 Oct 2022, 10:32
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