Accuplacer Qas Quiz
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EXPONENTS
Question 1
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Which expression represents the reciprocal of
x
−
2
y
3
z
−
4
\frac{x^{-2}y^3}{z^{-4}}
z
−
4
x
−
2
y
3
?
A
x
2
z
4
y
3
\frac{x^2z^4}{y^3}
y
3
x
2
z
4
B
z
4
x
2
y
3
\frac{z^4}{x^2y^3}
x
2
y
3
z
4
C
x
2
y
3
z
4
\frac{x^2}{y^3z^4}
y
3
z
4
x
2
D
y
3
z
4
x
2
\frac{y^3z^4}{x^2}
x
2
y
3
z
4
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