\(3.24^{100}=3.3^{100}.8^{100}=3^{101}.\left(2^3\right)^{100}=3^{101}.2^{3.100}=3^{101}.2^{300}\)
\(4^{300}=2^{300}.2^{300}=2^{2.150}.2^{300}=\left(2^2\right)^{150}.2^{300}=4^{150}.2^{300}\)
Vì\(3^{101}.2^{300}< 4^{150}.2^{300}\)nên \(3.24^{100}< 4^{300}\Rightarrow3.24^{100}< 3^{300}+4^{300}\)