Question

so sánh 2 số : 125^5 và 25^19

Answer 1

\(125^5=\left(5^3\right)^5=5^{15}\)

\(25^{19}=\left(5^2\right)^{19}=5^{38}\)

Vì: \(5^{15}< 5^{38}\Rightarrow125^5< 25^{19}\)

Answer 2

125^5=(5^3)^5=5^15

25^19=(5^2)^19=5^38 mà 38>15

suy ra 25^19>125^5 nha bạn

Answer 3

\(125^5\left(5^3\right)^5=5^{15}\)

\(25^{19}=\left(5^2\right)^{19}=5^{38}\)

\(Vi\)\(5^{15}< 5^{35}\Rightarrow125^5< 25^{19}\)