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Multiply and Simplify $y^{-9} \cdot y^{-4}$ A) $\frac{1}{y^{13}}$ B) $\frac{1}{y^{-13}}$ C) $y^{13}$ D) $\frac{1}{y^{5}}$

Question 322

Multiple Choice

Multiply and simplify.
- $y^{-9} \cdot y^{-4}$

A) $\frac{1}{y^{13}}$
B) $\frac{1}{y^{-13}}$
C) $y^{13}$
D) $\frac{1}{y^{5}}$

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