Answer:
15x-15y=-1 that's is the answer
A negative exponent just means that the base is on the wrong side of the fraction line, so you need to flip the base to the other side.
For example

or

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The answer is "D"
Answer:
f
Step-by-step explanation:
I'm pretty sure it's f from what I know
Answer:
Here's how to solve.
Step-by-step explanation:
10 to the 4th power= 10,000
So it would be 2.25*10,000
22,500 would be your answer.