a: \(5^{100}=\left(5^4\right)^{25}=625^{25}\)
\(8^{75}=\left(8^3\right)^{25}=512^{25}\)
mà 625>512
nên \(5^{100}>8^{75}\)
b: \(625^5=\left(5^4\right)^5=5^{20}\)
\(125^7=5^{21}\)
mà 20<21
nên \(625^5< 125^7\)
c: \(5^{23}=5^{22}\cdot5< 6\cdot5^{22}\)
d: \(7\cdot2^{13}< 8\cdot2^{13}=2^{16}\)