№6 Вычислите a) $$4 \times 4^3$$ б) $$\frac{5^6}{5^4}$$ в) $$(3^2)^2$$ г) $$3^2 \times 4^2$$

a) $$4 \times 4^3 = 4^{1+3} = 4^4 = 256$$ б) $$\frac{5^6}{5^4} = 5^{6-4} = 5^2 = 25$$ в) $$(3^2)^2 = 3^{2 \times 2} = 3^4 = 81$$ г) $$3^2 \times 4^2 = (3 \times 4)^2 = 12^2 = 144$$