Răspuns :
2 la puterea 90 < 3 la puterea 54
1.98070406285661E28 < 5.23347633027361E26
1.98070406285661E28 < 5.23347633027361E26
[tex]2^{90}=(2^{5})^{18}=32^{18} \;\;si\;\\
3^{54}=(3^3)^{18}=27^{18}\;;\\
32^{18} \ \textgreater \ 27^{18} \Rightarrow\;2^{90}\ \textgreater \ 3^{54}[/tex]