Answer:
x^-4
Step-by-step explanation:
When you are multiplying powers like x to the power of 2 times x to the power of 3 its basically adding the powers, so the example expression above would be x to the power of 5. Since your expression is x to the pwoer of -9 times x to the power of 5, You would get x to the power of -4 since -9 plus 5 equals -4.
If you are dividing by powers, you subtract the powers btw.
Other examples would be at
https://brainly.com/question/18260191
https://brainly.com/question/18815403
