Question

Oblicz:

a) (3^{-2})^{-3}:3^{8}

b) (5^{-1})^{-3}:5^{6}

c)[(\frac{4}{3})^{-2}]^{2} * (\frac{4}{3})^{6}

Answer 1

a)

=3^6 ; 3^8 = 3^(6-8)=3^-2=1/9

b)

=5^3 : 5^6 =5^(3-6)=5^-3=(1/5)^3=1/125

c)

=(4/3)^-4 *(4/3)^6=(4/3)^(-4+6)=(4/3)^2=16/9=

=1  7/9