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Today's lesson is about exponent rules: Multiplying and Dividing.
Ex. 5 exponent of 2 * 5 exponent of 3. You just add the 2 and 3, which is 5. Then, you have 5 exponent of 5.
So the rule is that if you are multiplying with exponents that have the same base, then you can just add the exponents. But keep the base the same.
What about division though?
I don't get it. Which one do you subtract?
Ex. 5 exponent of 6 / 5 exponent of 2. You subtract 6-2 and then you get 5 exponent of 4.
For division, if you have the same base, you subtract your exponents and keep the base.
Oh, OK. I understand it now!
So you take the numerator's exponent and then subtract the denominators exponent.
Now you try! 5 exponent of 2 * 5 exponent of 3.The answer is 5 exponent of 5!
Now you try! 5 exponent of 5 / 5 exponent of 2.The answer is 5 exponent of 3!
Ok. I really understand this now!
Rules: Multiplying: If they have the same base, then you just add the exponents. Dividing: If they have the same base, then you just subtract the exponents.
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