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Mathematics 8 Online
OpenStudy (waheguru):

Can someone show how to solve this?

OpenStudy (waheguru):

|dw:1383180945306:dw|

OpenStudy (waheguru):

I am getting 1 because the negative exponents cancel eachother out but that is wrong ...

OpenStudy (tkhunny):

\(\dfrac{12^{-1}}{(-4)^{-1}} = \dfrac{(-4)^{+1}}{12^{+1}} = \dfrac{-4}{12}\)

OpenStudy (waheguru):

I did it another way ill show...

OpenStudy (waheguru):

|dw:1383181154147:dw|

OpenStudy (waheguru):

why wont I get the same answer by subtracting the rots?

OpenStudy (cwrw238):

you can also do this using fractions |dw:1383181218286:dw|

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