\(16^{505}=\left(2^4\right)^{505}=2^{4.505}=2^{2020}\)
\(32^{404}=\left(2^5\right)^{404}=2^{5.404}=2^{2020}\)
\(\Rightarrow16^{505}=32^{404}\)
Bài giải
\(16^{505}=\left(2^4\right)^{505}=2^{2020}\)
\(32^{404}=\left(2^5\right)^{404}=2^{2020}\)
Vì \(2^{2020}=2^{2020}\) nên \(16^{505}=32^{404}\)