GMAT Quantitative Reasoning Quiz
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NUMBER PROPERTIES
Question 1
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For non-zero
a
a
a
, the expression
a
3
a
−
5
a
−
4
\dfrac{a^{3}\,a^{-5}}{a^{-4}}
a
−
4
a
3
a
−
5
can be written in the form
a
k
a^{k}
a
k
. What is the value of
k
k
k
?
A
-6
B
-2
C
2
D
12
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