oblicz,stosując prawa działan na potęgach :
a)(3 do potęgi -2)do potegi -3 : 3 do potegi 8 =
b)(5do potegi -1) : 5 do potegi 6=
c)(4 do potegi -5) do potegi -2 : 4 do potegi 9=
d)(2 do potegi 2) do potegi -4 : 2 do potegi -6 =
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a) = 3^6 : 3^8 = 3^(6-8)=3^-2
b) = 5^(-1-6) = 5^-7
c) = 4^10 : 4^9 = 4^(10-9)=4^1
d) = 2^-8 : 2^-6 = 2^( -8 -(-6)) = 2^-2