Răspuns:
2^30=(2^3)^10=8^10
3^20=(3^2)^10=9^10 =>2^30 < 3^20
5^34=(5^2)^17=25^17
3^51=(3^3)^17=27^17 =>5^34 < 3^51
2^155=(2^5)^31=32^31
3^93=(3^3)^31=27^31 =>3^93 < 2^155
2^111 • 5^38=(2•5)^38 • 2^73=10^38 • 2^73
Evident mai mare decât 3^131
10^74=(10^2)^37=100^37
6^123=(6^3)^41=216^41 =>100^37 < 216^41