Tolong dijawab ya nomer 1 dan caranya

A^-b =1/(a^b)
a^b × a^c = a^(b+c)
a^b ÷ a^c = a^(b-c)
(a/b)^c = a^c ÷ b^c
Langsung jawab yaa
[p^(2-4).q^(-1-4).r^(-2-(-3))]^-2
[p^-2.q^-5.r^1]^-2
[p^4.q^10.r^-2]
(p^4.q^10)/(r^2)