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Mathematics 17 Online
OpenStudy (alyssajobug):

Simply (-3a²b³)²

OpenStudy (anonymous):

Just use the rules of exponents. 1) (-3)^2 (a^2)^2 (b^3)^2

OpenStudy (alyssajobug):

I got -9a⁴ b⁶ but that isnt an option on my quiz... what did I do wrong?

OpenStudy (anonymous):

It is 9, not -9

OpenStudy (alyssajobug):

how so?

OpenStudy (anonymous):

-3 times -3 is equal to 9. A negative times a negative is a positive.

OpenStudy (alyssajobug):

a positive and a negitive makes a negative right?

OpenStudy (alyssajobug):

OH YA! It is -3 x -3 so that makes it positive! Thanks!!!

OpenStudy (anonymous):

Yes, but you are squaring -3, so that is (-3 * -3)

OpenStudy (anonymous):

Yup, no problem

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