Question

so sánh 625 mũ 5 và 125 mũ 7

Answer 1

625 mu 5 > 125 mu 7 

tk minh nha

ai tk minh thi se tk lai x 2

Answer 2

625^5=(5^4)^5=5^20

125^7=(5^3)^7=5^21

mà 5^20<5^21  =>625^5<125^7

Answer 3

Ta có : \(625^5=\left(5^4\right)^5=5^{20}\)

             \(125^7=\left(5^3\right)^7=5^{21}\)

            \(\Rightarrow5^{20}< 5^{21}\Leftrightarrow625^5< 125^7\)

Answer 4

\(625^5=\left(5^4\right)^5=5^{20}\)

\(125^7=\left(5^3\right)^7=5^{21}\)

Vì \(5^{20}< 5^{21}\)\(\Rightarrow625^5< 125^7\)