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Algebra

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Moderate

Expressions with Exponents - Part 4

ALGEBR-LZL0E8

Which is equivalent to:

$$\left(\frac{x^2+y^{-2}z^{7}}{y^{4}z^{3}}\right)^0?$$

A

$\left(\cfrac{x^2}{y^4z^3}+\cfrac{z^4}{y^6}\right)$

B

$\cfrac{x^2z^4}{y^6}$

C

$\cfrac{x^2+z^4}{y^6}$

D

$1$

E

None of these