Elaine's, line up your decimal and add zeros.
I think you mean,

You can use the usual formula,

That in this case is,

Where I have used,
Answer: look at the picture of you want me to solve s or a here
Step-by-step explanation: hope this help:)
I believe its C because they distribute instead of reverse like A would be
Answer:
Step-by-step explanation:
2^(-3) = 1/2^3 = 1/8
A minus means put the number in the numerator if it was in the denominator.
A minus means put the number in the denominator it was in the numerator.
If there is no denominator, create one.