Answer:

Step-by-step explanation:
Plug in -3 for n in the equation:


Simplify. Remember to follow PEMDAS. First, solve the power:

Next, combine like terms. Note that if there are two negative signs directly next to each other, it becomes a positive sign. Add:

Your answer: 
Answer:
I don't know
Step-by-step explanation:
Answer:
$26.67
Step-by-step explanation:
200/7.5=26.67