Answer:
[tex]9^{-16}[/tex]
Step-by-step explanation:
Whenever you are adding exponents that have the same base (in this case the base is 9), you simply add the exponents. The base will stay the same because you are just adding the exponents
[tex]-53 + 37=-16[/tex]
So, your answer is [tex]9^{-16}[/tex]
Hope this helps!
