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Helpp plsss and thank youu

Helpp plsss and thank youu-example-1
User Toshiro
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3 votes

answer : option C


(4r^(-2)st^4)^2(r^(-4)st^6)^(-2)

Multiply the exponent -2 inside the parenthesis


(4^2r^(-4)s^2t^8)(r^(8)s^(-2)t^(-12))

When we multiply same terms we add the exponents


(4^2r^(-4+8)s^(2-2)t^(8-12))


(4^2r^(4)s^(0)t^(-4))

Now make the exponent positive


(16r^4)/(t^4)


User Egdmitry
by
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