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Mathematics 8 Online
OpenStudy (anonymous):

Simplify the expression. x^-3 y^4 --------- y^3 z^-5

OpenStudy (angela210793):

x^-3*y ------- z^-5

OpenStudy (anonymous):

x^-3yz^5

OpenStudy (anonymous):

it is x^-3 y z^5

OpenStudy (angela210793):

O.o

OpenStudy (anonymous):

or if u want positive exponents, then it is y z^5 ----- x^3

OpenStudy (angela210793):

huh? i didn't get it.....how did u solve that? all u can do is simplify a y^3......... and tht's it

OpenStudy (angela210793):

Oops.... i got it :):)

OpenStudy (anonymous):

good, the exponential laws used are \[a ^{m} / a ^{n} = a ^{m-n}\] and \[a ^{-m} = 1/a ^{m}\]

OpenStudy (angela210793):

yea tht's wht i thought :):)

OpenStudy (anonymous):

Do u hv a list of these laws????

OpenStudy (angela210793):

yea.....and i know them in memory

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