Ushtrimi 4

Shkruani më thjesht shprehjen:

a) $2^4 \times 2^2$

b) $5^8 : 5^2$

c) $\frac{9^{20}}{(9 \times 9^9)^2}$

d) $\frac{(6^2 \times 6^3)^2}{6^9}$

e) $\frac{(8^4 \times 8^5)^2}{(8^{20} : 8)^2}$