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Mathematics 8 Online
OpenStudy (anonymous):

simplify (-7s)^3

sam (.sam.):

\[ (-7s)^3\] \[ =(-7^3s^3)\] =?

OpenStudy (anonymous):

the first one

sam (.sam.):

i know its the first one, im giving steps , what do you think its the third step?

OpenStudy (anonymous):

(-21)

OpenStudy (anonymous):

was this correct

sam (.sam.):

no, its -343s^3

sam (.sam.):

-7 cubed is -343

OpenStudy (anonymous):

ok so i was suppose to mulitiply -7*-7*-7

OpenStudy (anonymous):

not 7*3

sam (.sam.):

yes

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