\(2^{27}=2^{3\cdot9}=\left(2^3\right)^9=8^9\)
\(3^{18}=3^{2\cdot9}=\left(3^2\right)^9=9^9\)
Vậy,......
Ta có :
227 = (23)9 = 89
318 = (32)9 = 99
Vậy....
\(2^{27}=\left(2^3\right)^9=8^9\)
\(3^{18}=\left(3^2\right)^9=9^9\)
\(8< 9=>8^9< 9^9\)
\(=>2^{27}< 3^{18}\)