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Lynna [10]
3 years ago
5

X=2 y=-4 y^-5 ___ X^-3

Mathematics
2 answers:
maw [93]3 years ago
8 0
I hope this helps you

dedylja [7]3 years ago
3 0
Assumin a fraaction


remember some basic rules
x^-m=1/(x^m)
(a/b)/(c/d)=(a/b)(d/c)=(ad)/(bc)
so


y^-5 really means 1/(y^5)
x^-3 means 1/(x^3)

we have
(1/y^5)/(1/x^3)
that equals
(x^3)/(y^5)
x=2
y=-4

(2^3)/((-4)^5)=8/-1024=-1/128
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