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Mathematics 8 Online
OpenStudy (anonymous):

simplify 1/9^2=??

OpenStudy (anonymous):

wait hold on

OpenStudy (anonymous):

i typed that wrong it is (1/9)^2

OpenStudy (anonymous):

1/81

OpenStudy (anonymous):

same thing actually (1/9)^2=1/81

OpenStudy (anonymous):

|dw:1319393880860:dw|

OpenStudy (anonymous):

oh lol ok thank you guys

OpenStudy (anonymous):

:})

OpenStudy (anonymous):

one more

OpenStudy (anonymous):

(-9)^2=??

OpenStudy (anonymous):

is that -81?

OpenStudy (anonymous):

the way you it writen it would be +81=(-9)(-9)

OpenStudy (anonymous):

oooh ok

OpenStudy (anonymous):

-9^2=-81 sinc ethe negative is not part of the base

OpenStudy (anonymous):

answer is 3^(-4)

OpenStudy (anonymous):

(1/9)^2 = (9)^(-1)*(2) = (3)^(-2)*(2) =(3)^(-4)

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