These are ALL OF THE ANSWERS to all of the instruction on EDG for NEGATIVE EXPONENTS. Pls do not add an answer because these are all of the answers, and I will report you for stealing points :)
Dividing like bases:
1. Question: Divide 4^2/ 4^6
ANSWER: C. 4^-4
2. Question: Simplify 4^-4
ANSWER: A. 1/256

Multiplying Like Bases:
3. Question: Select all that are equal to 5^3*5^-7
ANSWERS: B, C
4. Question: Select all that are equal to 6^4(6^-5)
ANSWERS: B, C, D

Raising a Power to a Power:
5. Question: Simplify (10^-2)^4
ANSWER: A. 10^-8
6. Question: Simplify 10^-8
ANSWER: B. 1/100,000,000

Simplifying a Division Expression:
7. Question: Select all that are equivalent to a^2/a^9, assume a=/ 0
ANSWERS: A, C

Multiplying Expressions:
8. Question: Which expression is equal to -36^4(6b^-8)? Assume b=/0.
ANSWER: A. -18b^-4
9. Question: Simplify -18b^-4
ANSWER: B. -18/b^4
Dividing Expressions:
10. Question: Simplify 21v^-6/(-7v^-6)
ANSWER: D. -3

Simplifying a Power of a Quotient:
11. Question: Simplify the given expression. Assume x=/0.
(20x^-3/10x6-1)^-2
ANSWER: B. x^4/4

I hope this helped. Have a fantastic day! <3