Answer:
[tex]\frac{1}{y^{3} }[/tex]
Step-by-step explanation:
Using the rule of exponents
• [tex]\frac{a^{m} }{a^{n} }[/tex] ⇔ [tex]\frac{1}{a^{(n-m)} }[/tex] → n > m
Hence
[tex]\frac{y^{-5} }{y^{-2} }[/tex] = [tex]\frac{1}{y^{(-2-(-5))} }[/tex] = [tex]\frac{1}{y^{3} }[/tex]
