4.
[tex](4^{2})^{3} = 4^{2\cdot3} =3^{6}\\\\4^{3}:4^{2} = 4^{3-2} = 4^{1}\\\\4^{2}+4^{3} = 4^{2}+4^{2}\cdot4 = 4^{2}(1+4) = 5\cdot4^{2} \ - \ przekreslam\\\\4^{2}\cdot4^{3} = 4^{2+3} = 4^{5}\\\\\frac{2^{4}}{3^{4}} = (\frac{2}{3})^{4}\\\\4^{2}-4^{3} = 4^{2}-4^{2}\cdot4 = 4^{2}(1-4) = -3\cdot4^{2} \ - \ przekreslam\\\\2^{4}\cdot3^{4} = (2\cdot3)^{4} = 6^{4}[/tex]
