Negative exponents work like this:

So, in order to evaluate a negative exponent, you simply have to invert the base, and then raise to the positive equivalent of the exponent.
As an example, here are the first three exercises:



You can work out the rest applying this logic.
Answer:
C
Step-by-step explanation:
idk
Answer:
123 full pages
Step-by-step explanation:
Given


Required
Determine the number of full page
To do this, we simply divide the total stamps by stamps in each page;



Then we record only the quotient
The quotient is the digits before the decimal

<em>Hence, she has 123 full pages</em>
Answer:
The correct answer is 3/8
Step-by-step explanation:
It was in my practice and I had gotten it correct.