How to calculate when the index is negative

The negative nth power of a is equal to the reciprocal of the nth power of A

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1. Multiply a negative number by a negative number to get a positive number Please give an example Real life examples
2. How to calculate absolute value multiplied by positive number multiplied by negative number - 0.12 X1 / 12x (- 100)
3. What is the result of dividing a positive number by a negative number? Give an example
4. Positive divided by positive = 1. Negative 2. Positive 3.0
5. The remainder of a negative number divided by a positive number -17 or - 7 divided by 4 -17 △ 4 = - 5, isn't it?
6. How to calculate the remainder by dividing a negative number by a positive number? This kind of problem how to calculate, such as - 3 divided by 5 have remainder? How to calculate? Can quotient be negative? For example, if I say - 3 divided by 5, quotient - 1, remainder 2, I hope someone who really understands can teach me My original question is to write the set of numbers divided by 3 and 2, that is, the set of numbers divided by 3 and 2. I don't know whether negative numbers can be included, because I can write negative numbers in my answers, but I have some doubts. After all, the answers are sometimes wrong,
7. The result and remainder of dividing a negative number by an integer For example, what is the result of - 9 divided by 4, and what is the remainder?
8. What is a negative number divided by a negative number
9. What is a negative number divided by a negative number
10. Negative divided by negative equals negative multiplied by what What's more, a positive number divided by a negative number equals a positive number multiplied by what? Then 1 / 3 divided by (- 4 / 3) = 1 / 3 * (?)
11. Operation of negative numbers Please tell us how to add, subtract, multiply and divide negative numbers, how to calculate the power, how to mix rational numbers, what is the opposite number, what is the absolute value? Let's talk about it in detail. Well, give 20 points. Not much The reward has been raised. 40 points. It's really important for me to be more specific.
12. Negative minus negative equals?
13. How do negative minus negative count For example: - 3 - (- 2) =? Is it - 5 or - 1? Why? Please write down the steps and related knowledge
14. How to calculate negative minus negative -1613-（-2700）=?
15. Is it right to add a negative number equal to minus the corresponding positive number and subtract a negative number equal to plus the corresponding positive number? —3 — —5 =
16. Positive minus negative Why subtracting a negative number equals the opposite of adding a negative number Case 7 - (- 3) = 7 + 3
17. Who can tell me the rules of positive plus negative, negative plus positive, positive minus negative, negative minus positive? It's better to give another example
18. Positive minus negative, negative minus positive are equal to what number (positive and negative number)
19. Use letters to represent the following operation laws; the rational number subtraction law a-b=
20. Addition, subtraction, multiplication and division of negative and positive numbers Is it - 22 / 11 = - 2