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Answer :

[tex]11^{x-y}[/tex]

Explanation

when you have a division of integers, with exponents,do:

[tex]\frac{a^m}{a^n}=a^{m-n}[/tex]

Step 1

Let

a=11

m=x

n=y

Step 2

replace

[tex]\begin{gathered} \frac{a^m}{a^n}=a^{m-n} \\ \frac{11^x}{11^y}=11^{x-y} \end{gathered}[/tex]

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