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Laws of sign numbers in multiplication
If you're going to multiply 2 LIKE SIGNS the answer would always be POSITIVE
example. positive x positive = positive
              negative x negative = positive
While multiplying 2 UNLIKE SIGNS, the answer would always be NEGATIVE.
(The Laws of sign numbers in division is also the same in multiplication)

Laws of exponent in multiplication
If 2 base/variables are the same, copy it and add the exponents.
Example.   x^{2} + x^{3} = x^{5}  

While in division
If the base/variables are the same, you will also copy it but you will subtract the exponents.
Example.  x^{5} - x^{3} = x^{2}

That's all what I know
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Law of exponent tell us how many times the  base should as a factor

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