Odpowiedź:
a )
[tex]3^{- 2 -0,6} *9^{2 + 0,3} = 3^{- 2,6}*(3^2)^{2,3} = 3^{-2,6}*3^{4,6} = 3^{-2,6 + 4,6} = 3^2 = 9[/tex]
b )
( [tex]\frac{1}{3})^{-6} : 81^{0,2} : \frac{1}{3^8} = 3^6 : ( 3^4)^{0,2} * 3^8 = 3^6 : 3^{0,8} * 3^8 =[/tex]
[tex]= 3^{6 - 0,8}* 3^8 = 3^{5,2}(3^8 = 3^{13,2}[/tex]
c ) [ ( [tex]27^{-5/6})^{ 0,4}] ^{-3} = [ 27^{- 5/6*2/5}]^{-3} = [ 27^{-1/3}]^{-3} = 27^{ -1/3* (-3)} =27^1 = 27[/tex]
Szczegółowe wyjaśnienie:
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Odpowiedź:
a )
[tex]3^{- 2 -0,6} *9^{2 + 0,3} = 3^{- 2,6}*(3^2)^{2,3} = 3^{-2,6}*3^{4,6} = 3^{-2,6 + 4,6} = 3^2 = 9[/tex]
b )
( [tex]\frac{1}{3})^{-6} : 81^{0,2} : \frac{1}{3^8} = 3^6 : ( 3^4)^{0,2} * 3^8 = 3^6 : 3^{0,8} * 3^8 =[/tex]
[tex]= 3^{6 - 0,8}* 3^8 = 3^{5,2}(3^8 = 3^{13,2}[/tex]
c ) [ ( [tex]27^{-5/6})^{ 0,4}] ^{-3} = [ 27^{- 5/6*2/5}]^{-3} = [ 27^{-1/3}]^{-3} = 27^{ -1/3* (-3)} =27^1 = 27[/tex]
Szczegółowe wyjaśnienie: