Question

Comparati 28 la puterea 80 cu 80 la puterea 59

Answer 1

[tex]28^{80} >27 ^{80} [/tex]
$80 ^{59}<81^{59}$
$27 ^{80=(3 ^{3}) ^{80}$
$81 ^{59} =(3 ^{4} ) ^{59}$
$(3 ^{3}) ^{80} =3 ^{240}$
$(3 ^{4} ) ^{59} =3 ^{236}$$deci 28 ^{80}>80 ^{59}$