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Mathematics 9 Online
OpenStudy (anonymous):

How to use exponents on multiplying integers?

OpenStudy (anonymous):

Rules for exponents: \[ x^a\cdot x^b=x^{a+b} \](Similarly for negative \(a, b\)) \[ \left(x^a\right)^b=x^{ab} \](For real \(a,b\)) And: \[ \frac{x^a}{x^b}=x^ax^{-b}=x^{a-b} \]That's pretty much it.

OpenStudy (lgbasallote):

do exponents before multiplication

OpenStudy (lgbasallote):

PEMDAS Parenthesis Exponent Multiplication Division Addition Subraction

OpenStudy (anonymous):

I'm really dumb and in 7th grade. So i don't really understand that well :/ Like lets say (-2) with a exponent of 2x(-2)

OpenStudy (lgbasallote):

is that times or x?

OpenStudy (lgbasallote):

\[\huge 2 \times (-2)\] ?? is that your question?

OpenStudy (anonymous):

Yes.

OpenStudy (lgbasallote):

you can't use exponents there because they don't have the same base. one is 2 and the other is -2. they're different

OpenStudy (lgbasallote):

oh wait... \[\huge (-2)^2\] is also different

OpenStudy (lgbasallote):

\[\huge (-2)^2 \implies -2 \times -2\] got it?

OpenStudy (anonymous):

Yess thankk you (:

OpenStudy (lgbasallote):

welcome

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