\(5^{30}=\left(5^3\right)^{10}=125^{10}\)
Vì 12510>12410=>530>12410
a,
\(5^{30}\)và \(124^{10}\)
\(5^{30}=\left(5^3\right)^{10}=125^{10}\)
Vì \(125^{10}>124^{10}\)nên \(5^{30}>124^{10}\)
b, \(31^{11}\)và \(17^{14}\)
\(31^{11}< 32^{11}=\left(2^5\right)^{11}=2^{55}\)
\(17^{14}< 16^{14}=\left(2^4\right)^{14}=2 ^{56}\)
Vì \(2^{55}< 2^{56}\)nên \(31^{11}< 17^{14}\)